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

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 …

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 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 …

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 …

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 …

Nov 12, 2009 · 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?

Learn how to programmatically click a button using JavaScript with this helpful guide on Stack Overflow.

Jul 22, 2015 · Learn how to create a simple JavaScript timer with step-by-step guidance and examples for beginners on Stack Overflow.

Jul 12, 2010 · How do I get the difference between 2 dates in full days (I don't want any fractions of a day) var date1 = new Date('7/11/2010'); var date2 = new Date('12/12/2010'); var diffDays …