Javascript quirks. 4M subscribers in the javascript community.

Javascript quirks. Jun 20, 2020 · Over these past few weeks of quarantine, between working on side projects and making sure to enjoy some of the downtime I’ve been going… Feb 5, 2024 · 1. is() Which operation you choose depends on what sort of comparison you are looking to perform. But there’s no denying that Javascript will continue to remain popular as… Sep 13, 2024 · JavaScript is one of the most widely used programming languages in the world, but it’s also one of the quirkiest. From type coercion madness to hoisting surprises, these behaviors remind us why understanding the language deeply is so important. min () appears greater than Math. Oct 12, 2023 · JavaScript is a powerful and versatile programming language, but it’s not without its quirks. 2 + . What are the some of most frustrating things you’ve ran into during development? Mar 1, 2019 · Mikhail Korolev Posted on Mar 1, 2019 JavaScript quirks in one image from the Internet # javascript Recently I stumbled upon this picture on Google Images: The man on the picture is Brendan Eich by the way, the creator of JavaScript and a co-founder of the Mozilla project. Let’s see how many you can guess correctly 🤩. JavaScript Quirks: Exploring the Wonders of Double Equal Operator Comparisons! In the previous two lessons, I did a deep dive on the syntax of JavaScript. But there were so many weird quirks of JS, I couldn’t get my favs all in one article. When I first started using it, I used to scratch my head for hours wondering how does it manage to work. Here are ten lesser-known JavaScript quirks, complete with detailed examples. Understanding these weird behaviors can help you debug issues faster and write better code. Unlike languages that are badly designed from the start and a nightmare to work with, JavaScript just has some quirks that may or may not cause serious head injuries. Oct 1, 2018 · Strings & Numbers in JavaScript How does JavaScript handle adding numbers and strings? JavaScript uses the + operator for both addition and concatenation. This introduction is the first of a series of blog posts that looks at twelve common quirks and how to best deal with them: Dec 12, 2024 · Advanced JavaScript Quirks and Weird Parts GuideDownload Introduction to JavaScript What is JavaScript? JavaScript is a versatile, dynamic, and interpreted programming language that allows developers to create interactive and dynamic web content. At the end you’ll find a good recipe to avoid “JavaScript quirks”-related issues. It is also increasingly the home of ground-breaking mobile web research. 🌐💻 Let’s deep-dive into these peculiarities and arm you with the knowledge to tackle JavaScript interview questions head-on. Whether you're preparing for an interview or just love exploring JavaScript quirks, these examples Apr 10, 2011 · Just pointing out a couple of JavaScript quirks I’ve come across. Even when you think you’ve got it all figured out, it has a way of surprising you with its peculiarities. Check out resources like W3Schools or MDN Web Docs for more in-depth learning. Apr 10, 2024 · JavaScript, the language of the web, is not just a tool for creating interactive websites and web applications; it's also a playground for the quirky and the weird. Here are some examples. NaN is Weird NaN, short for "Not a Number," is a peculiar beast in JavaScript. Even computer languages, despite being carefully designed and thought out, have quirks. Each course is made up of hundreds of interactive code examples running live in your browser. Even if you're a JS developer, most of this syntax is probably, and hopefully, not something you use in your daily life. It's important for developers to be aware of this behavior to avoid potential Jul 9, 2025 · In no-quirks mode, the behavior is (hopefully) the desired behavior described by the modern HTML and CSS specifications. A collection of script depicting the strange quirks of programming languages. This VOX DC post provides a few helpful tips for the engineer new to JavaScript. Equality (==) versus Identity (===) This seems to be the first construct noticed by experienced engineers new to the language. Apr 8, 2013 · A core of JavaScript (the so-called “good parts”) is elegant, but that core is often obscured by quirks. JavaScript's dynamic nature and loosely typed syntax can lead to unexpected behaviours, which some may find quirky or frustrating. 4K views 0 shares QuirksMode. com/denysdovhan/wtfjs Digital image comparing Christian Holy Trinity to JavaScript quirks using two similar triangle diagrams with circles at each point. The limited-quirks and no-quirks modes used to be called "almost-standards" mode and "full standards" mode, respectively. GitHub Gist: instantly share code, notes, and snippets. This behavior has been present since the early days of JavaScript and is considered one of the language's historical oddities. Let’s explore some of its quirks… Apr 26, 2025 · I have been using JavaScript for quite a while, yet there are still tricky parts that sometimes trip me up. Jul 15, 2020 · Every human language has its quirks. For me in the past it’s been handling popstates for server side SPA’s and recently selectedIndex updating when running async operations onchange for select elements. There are (mostly) good reasons for these oddities to be the way they are, but stumbling into Jun 2, 2024 · JavaScript is a powerful and versatile language, but it comes with its own set of quirks and oddities. This is the first of several lessons where I talk about the gotchas of the language—all those things that don’t behave the way you expect, especially if you’re a Pythonista… Jun 20, 2025 · Many developers complain about JavaScript’s so-called quirks, with type coercion often topping the list. If you're interested in learning more, here are some useful 2011 11 11 the universe answers and JavaScript still makes us wtf 2011 11 08 undefined identity crisis 2011 09 24 Date silently accepts anything 2011 07 26 iteration demoralization 2011 06 27 min less max 2011 06 23 parseint magic 2011 05 12 parseInt is not eval 2011 02 11 all your commas are belong to Array 2010 12 06 convert to integer Aug 7, 2014 · Even though at first glance JavaScript seems like a good solution for browser scripting, it does have significant drawbacks and shortcomings that put it into a bad light. In the case of Number, the logic is pretty much the same as that in real life. These quirks and tricks are a result of JavaScript's unique design and implementation. Type Coercion in Comparisons JavaScript performs type coercion when comparing values with ==… Dec 31, 2024 · JavaScript is like that quirky friend in your circle — a bit chaotic, complex, but always entertaining. The language that powers the interactive web, the backbone of countless front-end frameworks, and the source of both… JS is weird I admit it! But it seems to work just fine. These quirks fool even experienced programmers. On the right, labeled “JavaScript,” it links “1,” “0,” and The + operator is interpreted and javascript converts the boolean values to numbers. Anybody have an idea about this thing in plain text and in a development prospective? Aug 25, 2024 · Explore how to use the JavaScript `typeof` operator to check variable and value types in your code, enhancing your programming efficiency and debugging skills. In this article, I’ve compiled 25 tricky JavaScript questions that test your understanding of hoisting, scoping, coercion, the event loop, closures, and more. Mar 28, 2014 · tl;dr == and typeof use the correct behaviour. More talks on http://dotconferences. Why does everybody hate JavaScript so much? A complete roast of JS that highlights the strongest criticisms against the world's most popular programming lang Welcome back to Tech Tuesdays, web developers! This week, we're diving deep into the fascinating changes shaping our digital world, from AI's evolving role t Learn hidden secrets inside of the JavaScript programming language. And now have fun! 🚀 Made for CIS 197: JavaScript Spring 2018 NOTE: There are a number of naming inaccuracies I overlooked while making this video in one take. 1 and 0. Stay tuned to codedamn for more deep dives into JavaScript's features and quirks! For a more detailed look at the void operator, check out the official MDN documentation. Many of these examples come directly from how the ECMAScript specification dictates type conversions should happen. Enjoy! Pitfall: truthiness-based existence checks are imprecise Use case: was a parameter provided? Aug 5, 2025 · WTFJS is a hilarious yet insightful collection of JavaScript oddities that’ll make you laugh, cry, Tagged with javascript, webdev, learning. 👉 Mastering these quirks is a rite of passage. On the face of it, each of the statements below presents an unexpected outcome. Each question comes with the expected console output and a clear, brief explanation to help you master JavaScript’s JavaScript Quirks_ Comprehensive Guide - Free download as PDF File (. In this article, we'll explore some of Jan 14, 2024 · 215 JavaScript Questions Certainly! Here’s a draft for a LinkedIn post about your comprehensive JavaScript quiz: 🚀 Announcing the Ultimate JavaScript Quiz: Over 200 Questions to Test Your Ski… JavaScript : Weird, quirky, and sometimes… downright confusing. In this blog, we’ll explore 10 mind-boggling JavaScript code snippets that will challenge your understanding and sharpen your problem-solving skills. I have often been confused while dealing with some of them so would like to share some of the many quirks that exist in javascript. It is covered here as a preparation for later – we’ll use Aug 24, 2025 · JavaScript is full of quirks, hidden behaviors, and subtle pitfalls that can trip up even experienced developers. 🔥 The questions have been created by Lydia Hallie. Aug 3, 2023 · It usually takes some amount of pain to accept the quirks (or magic) and since misery loves company, why should I suffer alone? So, here are a few gems for you: Javascript quirks Memes Posts tagged with Javascript quirks The Magic Number Of Zeroes Javascript Webdev Programming Debugging Frontend 11 days ago 65. 🤯 How is this even possible? Dive in Jun 10, 2024 · With clear explanations, practical examples, and a focus on both fundamental concepts and modern best practices, this book will empower you to master the quirks of JavaScript and build the next generation of web applications. It was an exciting moment… Javascript Quirks. Jun 19, 2020 · Javascript is amazing but it has some gotchas which can be a bit unusual to someone new to the language. 3 ! Instead, the answer turns out to be more like 0. When you use the typeof operator on null, it returns object instead of null. Understanding these can help you write better code and debug issues more effectively. These quirks stem from early design decisions made to balance accessibility JavaScript's Quirks: Uncover the Oddities and Surprises in JavaScript’s Behavior, from Type Coercion to Scope Issues, and Master Effective Workarounds. The tutorial highlights differences between the modes, particularly in styling and page size, and Aug 1, 2024 · JavaScript is a powerful and flexible language, but it also has some quirks that can surprise even experienced developers. It's not the absence of a number, and it's definitely not zero. Understanding these strange behaviors can help you write more robust and bug-free code. If you want to do that, press the green button. Briefly: Double equals (==) will perform a type conversion when comparing two things, and will handle NaN, -0, and +0 JS quirks are weird, but did they ever actually matter for anything practical in anyone's code in the last few years? "Yeah, I finally found the bug, turns out [] - {} isn't what you'd intuitively expect. Let’s explore its curious properties that add unique charm to its Jul 3, 2024 · This article covers a few anomalies while parsing query in Express. Beyond its web dominance, it’s a trove of puzzling traits. If you liked this, you might also like Execute Program: interactive courses on TypeScript, Modern JavaScript, SQL, regular expressions, and more. Jun 17, 2016 · JavaScript quirks - window Asked 8 years, 9 months ago Modified 8 years, 9 months ago Viewed 35 times Apr 8, 2013 · [This post is part of a series on JavaScript quirks. let a = 2 let b = 2 let c = "Adding 2 and One full stack developer's take on JavaScript, its quirks, and how they effect software development. It represents a Apr 10, 2014 · JavaScript Quirks: Equality Dot Notation vs Bracket Notation, Function Context, Function Declarations vs Function Expressions, Named vs Anonymous Functions Jan 23, 2025 · JavaScript, the language of the web, has become one of the most popular language in the world. I heard in one of the videos of Harvard University on JavaScript that these quirks quote and quote were indeed features of JavaScript Nov 16, 2023 · In the world of JavaScript, dealing with quirks and idiosyncrasies is essential to becoming a proficient developer. 30000000000000004 Why is this? Well, it has to do with a little problem called Jul 28, 2025 · Ah, JavaScript. Whether you need help Sep 2, 2024 · JavaScript is the go-to language for building interactive and dynamic websites, making it a must-know for any web developer. Some things look like blunders, but they’re not. But beware, some questions are quite tricky. Jul 21, 2025 · Below are 25 surprising, tricky, or interview-worthy JavaScript behaviors that you must know. Chat about javascript and javascript related projects. I would like to argue that they are not quirks, but are features of the language. Sep 16, 2024 · Understanding these quirks and tricks can help you write more predictable and efficient JavaScript code. Challenge yourself with questions covering JavaScript syntax, DOM manipulation, and best practices. max () in JavaScript. In this article we’ll learn more about different types of comparisons, how JavaScript makes them, including important peculiarities. Feb 29, 2020 · When comparing numbers in Javascript, the logic differs on whether we are comparing their Number or String representations. 2. Mar 22, 2025 · JavaScript’s quirks make it one of the most unpredictable yet fascinating languages to work with. Here's a lesser-known JavaScript fact that might surprise even experienced developers: JavaScript has a typeof operator quirk: typeof null === "object"; Yes, it returns "object" — but null is Below is a (quite long!) tour of curious or surprising expressions in JavaScript, along with explanations of why they behave as they do. 1 you get 0. Did you know… In JS if you try to add these two floats: 0. js and how Javascript operate with different data-types that I encountered while solving a challenge from Anveshanam CTF 2024 Sep 8, 2025 · Hoisting in JavaScript: Still Confusing in 2025? A modern, developer-friendly guide to one of JavaScript’s oldest quirks — explained with real-world examples. Happy coding! 02/100 JavaScript Quirks & Tricks for Interview Preparation 💡 #JavaScript #JavaScriptQuiz #techgyan Tech Gyan With Nitin 268 subscribers 3. Yes, typescript counts… Dec 8, 2021 · On the first day of BootCamp, we were all asked to introduce ourselves and share our quirks with other students. Answer… Apr 1, 2025 · “JavaScript sucks because '0' == 0!” - literally everyone ever Sure, that part of JavaScript sucks, but every JS setup these days contains a linter that yells at you for code like that. Even seasoned developers can find themselves scratching their heads when faced with its idiosyncrasies. Oct 4, 2018 · This takes advantage of a lot of weird quirks of JavaScript like loose typing, alternative variable naming conventions, primitives and some really awesome bit mathematics. 🤔 Whether you’re a seasoned developer or just starting out, JavaScript’s quirks make coding an exciting (and sometimes Jul 19, 2025 · Discover 10 surprising JavaScript quirks that may confuse developers but are actually correct, enhancing your coding skills and preventing bugs. https://github. If you’ve spent any time coding in JavaScript, you’ve probably scratched Feb 15, 2025 · JavaScript is full of surprises! From tricky type coercions to unexpected object behaviors, even experienced developers can get caught off guard. Whilst I'm all for informing people about edge cases and quirks, the last sentence promoting exclusive use of === must be some sort of propaganda from the == smear campaign. 👉 What’s the strangest JavaScript quirk you’ve come across in your projects? Apr 26, 2025 · I have been using JavaScript for quite a while, yet there are still tricky parts that sometimes trip me up. txt) or read online for free. But here's the thing: NaN isn't just a quirky value—it's a sentinel value that represents an invalid number. The other languages frequently fighting Python for the to Jul 24, 2020 · I went over some cool JS oddities in Part I of this series. Mar 22, 2025 · Another unexpected behavior pops up, leaving you scratching your head. But what truly sets JavaScript apart are its quirks — those little Feb 15, 2024 · JavaScript is a formidable powerhouse in the coding world, responsible for the sleek functionality we often take for granted on the web. Understanding these nuances is crucial for writing robust and reliable code. I’ve listed 8 questions in Part I. Hence, you get a Part II. Let's demystify some strange and funny quirks in-depth, and learn from them to make even better code as developers! As a developer working with JavaScript, perhaps you’ve run into “huh?” moments from working with what some characterize as quirks of the language. JavaScript is the most popular programming language in the world despite having been desi Mar 21, 2022 · To remedy this situation, Javascript is introducing a totally new set of standards called Temporal which will occupy a different namespace than Date, and will solve most of the problems described in this article. Oct 1, 2021 · Not equals: In maths the notation is ≠, but in JavaScript it’s written as a != b. Jul 5, 2023 · It's just one of the many nuances that make JavaScript a fascinating language to learn and master. We'll cover topics like type coercion, truthy/falsy values, equality comparisons, variable scope and hoisting, the typeof operator, and prototypal inheritance. Why does this happen? Step 1: JavaScript applies type coercion (type conversion) when operands are of different types. Let’s see how many you can guess correctly 🤩 Aug 13, 2011 · Is there a way to switch a page in quirksmode to standards mode using Javascript? For example, assuming I have the following page with html in it. It discusses how browsers use the doctype declaration to decide between quirks and standards mode, emphasizing the importance of including the doctype for HTML5. Jul 31, 2024 · JavaScript is a powerful and flexible language, but it also has some quirks that can surprise even experienced developers. A quiz with advanced JavaScript questionsJavaScript quiz Hi, here is a quiz to test your knowledge about JavaScript. Dec 23, 2019 · Quirks in Javascript Some quirks in the language, and how to understand them I have been learning Javascript over the past week and have come across a lot of things that appear to not make sense in … 🚀 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗤𝘂𝗶𝗿𝗸𝘀 𝗬𝗼𝘂 𝗦𝗵𝗼𝘂𝗹𝗱 𝗞𝗻𝗼𝘄 JavaScript is powerful ⚡ but also full of quirks that can confuse Jan 5, 2024 · JavaScript, pivotal for the dynamic web, surprises with its quirks. I've tried the following. In this post, I want to explore a few quirks about the typeof operator. There’s some pretty amazing things you can do with JavaScript, my first project was a first person shooter like krunker. By keeping these nuances in mind, you’ll be better equipped to handle the complexities of JavaScript and write more robust applications. The key is knowing when to use t hem and when to Lesson Description The "Common JavaScript Quirks" Lesson is part of the full, Debugging and Fixing Common JavaScript Errors course featured in this preview video. While Sep 13, 2025 · Understanding Sparse Arrays and Their Quirks in JavaScript Why arrays with “holes” behave weirdly, how they differ from undefined, and what every developer should know before they bite you in … A JavaScript cheat sheet with the most important concepts, functions, methods, and more. In this blog post, we'll explore some of the funniest and most bizarre aspects of JavaScript, accompanied by real-life code examples. JavaScript is full of quirks, and while some are relics of its rushed early development, others are actually super useful once you understand them. Thanks for sharing! The app can save your answers locally so you can continue playing another time. Filmed in Paris on Nov 30th, 2012. I’ve been diving back into JS, and some of its quirks still make me scratch my head: null vs undefined — one’s intentionally Some of these quirks are design flaws, a by-product of Netscape rushing an immature product to the market Some of these quirks are browser bugs and inconsistencies Some of these are just JavaScript being awesome! Aug 14, 2020 · In a lot of articles about design, quirks mode is mentioned. Instead, I want to talk about some of the weirder quirks of JavaScript — those that are much more insidious than that — the kind of stuff you wouldn't find on r/ProgrammerHumor or a JS tutorial. 🚀 JavaScript Quirks Javascript gets a pretty bad rap, but remains a VERY popular language… albeit with some quirks… This should help you start quickly, and dodge a lot of the pitfalls. Jan 15, 2019 · When it comes to Javascript, people either love it or hate it. In this article, we'll explore 20 essential JavaScript quirks. Laugh along with relatable coding humor! Weird JavaScript Concepts That’ll Break Your Brain 🤯#javascript #memes #learning #programming #jobs #moneymindset #tranding Where most languages would throw a type mismatch error, JavaScript uses coercion so that people who understand it can get the job done quickly and expressively instead of littering their code with type casting and variable type declarations. Understanding these quirks makes you better at using the language and helps you handle its strange behaviors. A string and a number will never compare equal with ===, but they may compare equal with == because of type coercion. JavaScript is powerful but certainly has its flaws. <html><script Feb 19, 2025 · JavaScript is a powerful and flexible language, but its quirks can sometimes leave developers scratching their heads. May 31, 2024 · JavaScript is a versatile and powerful language, but it comes with its own set of quirks and features that can sometimes confuse beginners. Jun 25, 2025 · JavaScript is a magician — it converts types silently, treats objects and arrays as strings, and makes math with undefined things weirdly legal. JavaScript requires semicolons to distinguish between lines of code, similar to its spiritual ancestor C. We leverage this expertise to deliver high-performance, reliable, and scalable custom software solutions. Add a description, image, and links to the javascript-quirks topic page so that developers can more easily learn about it This is why understanding JavaScript coercion rules and object references is crucial for writing reliable code. Nov 1, 2024 · JavaScript is a flexible, widely-used language, but it has quirks that can catch even experienced developers off guard. eu In the previous lesson, I covered part one of JavaScript quirks. If you are a professional developer, you can consider these examples as a great reference for all of the quirks and unexpected edges of our beloved JavaScript. Let’s dive into some of these key aspects to help you get a better understanding. To fully understand why Coder with a pet Rubik's Cube! I love my JavaScript and the crazy little quirks involved with it. Boolean is the result JavaScript is a powerful and versatile programming language, but its quirks can sometimes lead to confusion, especially when it comes to string and number conversions. Reply reply db2 • Yes, but you can't set a variable as an int or char, it's all just vars. 1. Template Literal Interpolation with an Object With template literals, we are able to interpolate expressions in our templates by using ${} notation. Boolean (x) is wrong. I just read on MDN that one of the quirks of JS's handling of numbers due to everything being "double-precision 64-bit format IEEE 754 values" is that when you do something like . In this lesson, I’m going to pile on some more. In limited-quirks mode, there are only a very small number of quirks implemented. In any case, just read this. But if you dig deeper into how the datatypes and APIs are implemented, you’ll find there is always …. Lets take a look at some of the odd JavaScript behaviours that you may have run into before when deb Feb 13, 2021 · JavaScript can be weird. Nov 25, 2024 · This guide explains some of JavaScript’s quirks with examples, explanations, exercises, and quiz questions to help you understand and navigate them effectively. Those of you who have studied any foreign language will attest to that. Jun 24, 2021 · As a Python developer, you may find yourself having to move between multiple programming languages. Apr 14, 2023 · The intricacies of JavaScript’s type coercion and the plus operator through a practical example, enhancing our understanding of the JS language. Oct 19, 2024 · Embracing JavaScript’s Quirks: A Guide to Mastery While it may seem odd, [] == ![] reveals how JavaScript’s type of coercion works behind the scenes. Test your knowledge of JavaScript with our engaging quiz designed for developers, enthusiasts, and anyone curious about the quirks of this programming language!Challenges include:Multiple Choice QuestionsText-based Problem SolvingFun and Educational Aug 28, 2019 · List of Javascript quirks, key concepts, and peculiar behavior to help you write better Javascript and understand how to use the language more effectively. Tagged with javascript, data, quirks. Until then, we are stuck with the the quirks Javascript Date s produce. Read carefully, because some of these are absolute curveballs! 1 (==) means type coercion happens… Dec 5, 2024 · JavaScript is a powerful and versatile programming language that has become an essential tool for web development. Then again, I don’t expect too much from a language that Take the JavaScript Quiz at The Frontend Quiz and test your knowledge of JavaScript. In the last two days, two people have sent me links to an awesome resource which lists the comparison operators and what they do in JavaScript. All of JavaScript has many types. typeof null returns "object" instead of "null" Yes, that's correct! It's one of the quirks in JavaScript. If the + operator is involved and either operand is a string (or can be converted to one), JavaScript performs string concatenation. Dec 12, 2024 · Hoisting is a mechanism in JavaScript where variable and function declarations are moved to the top of their containing scope (global or function scope) during the compilation phase, before code Love JavaScript? These 15+ funny memes capture every developer’s struggles—from debugging nightmares to client surprises. A complete quick refe Jan 27, 2025 · # javascript # programming # learning # architecture NaN, or "Not-a-Number," is one of those JavaScript quirks that can trip you up if you're not paying attention. Here's what you'd learn in this lesson: After pulling a volunteer from the audience, Todd tests a student's knowledge to highlight the bizarre quirks in the JavaScript language. ] JavaScript is very tolerant when it comes to accepting values. At Innovative Software Technology, our expert developers possess a deep understanding of JavaScript intricacies. Its design includes features that can lead to unexpected behavior if not understood. Jun 25, 2022 · JavaScript is a language full of wonderful quirks. The reason is that human language, like French for example, and computer language, like javaScript, are alike in one important way: they both were “designed” and “developed” by humans As a language that is widely accessible, but deceptively hard to master, JavaScript has many subtleties which can cause even experienced programmers to stumble. 4M subscribers in the javascript community. However, like any language, JavaScript has its fair share of quirks and May 26, 2025 · This quiz covers key JavaScript quirks like type coercion, hoisting, scoping, and floating-point arithmetic. For example, everywhere it expects a number, it does not reject values from other types, but tries to convert them: > '5' - '2' 3 > '5' * '2' 10 Automatic conversion to boolean is rarely problematic and often useful. Apr 16, 2020 · As a developer working with JavaScript, perhaps you’ve run into “huh?” moments from working with what some characterize as quirks of the language. Apr 1, 2011 · I was playing around with Chrome's Javascript console recently, and I discovered this oddity: [] == true false [0] == true false [0] == [] false This doesn't seem to make any sense at first glance ( Jun 18, 2024 · In this talk, we'll explore some of JavaScript's most notorious quirks, exploring their reasoning. On the left, the diagram is labeled “Christianity” and links the terms “The Father,” “The Son,” and “The Holy Spirit” with “Is” and “Is Not” to “God” in the center. The video tutorial explains quirks mode, a technique used by web browsers to maintain backward compatibility with older web pages. They JavaScript is full of surprises. Nov 20, 2018 · JavaScript Quirks # javascript # learning Recently I attended a JavaScript meetup in Montreal and I learned about some interesting JavaScript quirks and decided to write about some of them. At the same time it has certain behaviors that seem strange. The numeric value of true is 1 so therefore it is just a simple 1+1. For instance, it was developed in just a week, which led to some design choices that developers still debate today. pdf), Text File (. In this quiz, you'll be shown 25 quirky expressions and will have to guess the output. Yet, it comes with its own set of quirks and head-scratchers. For convenience sake, it is… Apr 7, 2025 · Navigating the complexities of JavaScript, including its subtle quirks and performance characteristics, is crucial for building robust web applications. org is the home of the Browser Compatibility Tables, where you’ll find hype-free assessments of the major browsers’ CSS and JavaScript capabilities, as well as their adherence to the W3C standards. Quirk is an open-source drag-and-drop quantum circuit simulator for exploring and understanding small quantum circuits. JavaScript's dynamic typing, type coercion, loose equality, parsing rules, and handling of edge cases all contribute to these quirks. Jul 8, 2025 · Equality comparisons and sameness JavaScript provides three different value-comparison operations: === — strict equality (triple equals) == — loose equality (double equals) Object. 146 votes, 14 comments. Strings and Numbers, for example, are different types. In this blog post, we’ll explore five weird and quirky aspects of JavaScript that may leave you Jan 4, 2024 · The Quirky Nature of JavaScript Despite its many benefits, JavaScript is known for its quirks and peculiarities. n this episode of AlgoZenith's "Is JS Weird?" series, we explore the baffling scenario where Math. 2 you will NOT get 0. Reply reply more repliesMore repliesMore replies Leonidas_from_XIV • May 29, 2024 · JavaScript’s oddities can be both interesting🔭 and annoying. Apr 1, 2024 · Today is April Fools, but nothing in this video is fake. Design May 2, 2025 · Updates to CSS/HTML features, Sytlelint supporting Baseline, EsLint updates for baseline, browserslist-config-baseline releases and more Home ∕ Quizzes ∕ “Unraveling JavaScript Quirks: A Quiz for Seasoned Developers “Unraveling JavaScript Quirks: A Quiz for Seasoned Developers JavaScript, the ubiquitous language of the web, is both fascinating and confounding. pwuobs ivlxo fxe qgc malq tyw cgif wcdq fpcgcs mbsf