JavaScript == VS ===

Web Reference: Related to Is there a "null coalescing" operator in JavaScript? - JavaScript now has a ?? operator which I see in use more frequently. Previously most JavaScript code used ||. let userAge = Novice JavaScript developers need to know that the "not not" operator is using implicitly the original loose comparison method instead of the exact or operators and also the hidden cast operation that is happening behind the scenes and I show it in the example I provide. Dec 11, 2008 · I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.

YouTube Excerpt: Unlike many programming languages JavaScript has both a double equals (==) and a triple equals (===) equality operator. For the most part these two operators work exactly the same, but the double equals operator converts the types of the objects being compared to the same type. This sounds like a good thing at first, but it can cause some strange bugs to occur when comparing certain objects/types. Because of this the triple equals operator should almost always be used, except in the case of checking if an object is null or undefined. == vs === Article: https://blog.webdevsimplified.com/2020-08/==-vs-=== Twitter: https://twitter.com/DevSimplified GitHub: https://github.com/WebDevSimplified CodePen: https://codepen.io/WebDevSimplified #JavaScript #WebDevelopment #Programming

Unlike many programming languages JavaScript has both a double equals (==) and a triple equals (===) equality operator. For the most part these two...

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