When using two equals signs for JavaScript equality testing, some funky conversions take place.

Test your mettle against what's considered a textbook example of a confusing language design flaw – JavaScript's loose equality operator. Flag all cells where the values are loosely equal according to ==.

Jul 8, 2025 · They correspond to three of four equality algorithms in JavaScript: Note that the distinction between these all have to do with their handling of primitives; none of them compares …

JavaScript equality comparison is a crazy thing, sometimes. When in doubt, use three equals signs. You can view the demo here. You can also check out a new, unified version of the equality table.

Jul 26, 2022 · Using a double equal sign you can test the equality of 2 or more operands. Always use strict equals unless you have a good reason to use 2.

Jun 13, 2021 · We now know that all javascript values resolve to either a truthy or falsy value when used in boolean expressions. Let’s now have a look at equality. There are two operators checking …

This document provides an overview of the JavaScript-Equality-Table project, an educational web application that demonstrates JavaScript's equality comparison behavior through interactive …

Mar 12, 2021 · This is why you should always use === and !==. Image Source: https://dorey.github.io/JavaScript-Equality-Table/

Feb 7, 2023 · I recently stumbled upon the JavaScript equality table. I'm always impressed by nice ways of visualizing such concepts. And I immediately thought it would be a fun thing to build myself!

JavaScript Equality Table Comparison Table Difference Between ( == vs === ) or ( != vs !== ) In Javascript Moral of the story / Conclusion Always use 3 equals unless you have a good reason to …