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.

Mar 29, 2022 · Javascript does have types; and in any case, how is the dollar sign even related to that? It's just a character that happens to be a legal identifier in Javascript.

Feb 7, 2009 · What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?

That is, JavaScript "short-circuits" the evaluation of Boolean operators and will return the value associated with either the first non-false variable value or whatever the last variable contains.

Mar 2, 2010 · How to use OR condition in a JavaScript IF statement? Asked 15 years, 5 months ago Modified 2 years, 6 months ago Viewed 875k times

Sep 26, 2008 · The following are two methods of building a link that has the sole purpose of running JavaScript code. Which is better, in terms of functionality, page load speed, validation purposes, etc.?

Oct 9, 2012 · Can I declare default parameter like function myFunc( a, b=0) { // b is my optional parameter } in JavaScript?

2467 I'm looking for any alternatives to the below for creating a JavaScript array containing 1 through to N where N is only known at runtime. var foo = []; for (var i = 1; i <= N; i++) { foo.push(i); } To me it feels like there should be a way of doing this without the loop.

How do I escape a single quote ( ' ) in JavaScript? [duplicate] Asked 12 years, 4 months ago Modified 2 years, 7 months ago Viewed 672k times