Jun 7, 2011 · What is the ?: (question mark and colon operator aka. conditional or "ternary") operator and how can I use it?

So interesting, "When the nullish coalescing operator ?? is supported, I typically use it instead of the OR operator || (unless there's a good reason not to)." Is completely the opposite of what I …

Mar 29, 2022 · A '$' in a variable means nothing special to the interpreter, much like an underscore. From what I've seen, many people using jQuery (which is what your example …

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 …

Dec 28, 2014 · In JavaScript, a backtick † ( ` ) seems to work the same as a single quote. For instance, I can use a backtick to define a string like this: var s = `abc`; Is there a way in which …

Feb 2, 2009 · How can I redirect the user from one page to another using jQuery or pure JavaScript?

A basic doubt here. I landed here looking for how to do this in node.js, which is javascript on server side. How do I know which ES version applies in my case. Also, in case of regular …

It converts a nonboolean to an inverted boolean (for instance, !5 would be false, since 5 is a non-false value in JS), then boolean-inverts that so you get the original value as a boolean (so !!5 …

Jan 17, 2020 · I'm looking to get a SHA256 hash in JavaScript, on Google Chrome 79.0.3945.130 (64-bit). I've been looking around thinking there would be some sort of official library or …

May 14, 2019 · I need a regex which will allow only A-Z, a-z, 0-9, the _ character, and dot (.) in the input. I tried: [A-Za-z0-9_.] But, it did not work. How can I fix it?