How do you use the ? : (conditional) operator in JavaScript?
Jun 7, 2011 · JS is code that gets sent to the browser, so code length matters – TheRealMrCrowley. Commented May 11 ...
Which equals operator (== vs ===) should be used in JavaScript ...
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 …
When should I use ?? (nullish coalescing) vs || (logical OR)?
I did see that description in that questions answer, but it's seemed like a repeat of well known JS boolean logic rather than a specific example. – mikemaccana Commented Apr 28, 2020 at 13:18
What is the purpose of the dollar sign in JavaScript?
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 …
Usage of the backtick character (`) in JavaScript - Stack Overflow
Dec 28, 2014 · It's a pretty useful functionality, for example here is a Node.js code snippet to test the set up of a 3 second timing function. const waitTime = 3000; console.log(`setting a …
How to iterate (keys, values) in JavaScript? - Stack Overflow
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 …
How do I check for null values in JavaScript? - Stack Overflow
Jan 4, 2024 · There's also the Underscore.js method, which seems even more confusing/blackbox, but worth noting anyway because it takes advantage of NaN !== NaN. …
What does the !! (double exclamation mark) operator do in …
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 …
How can I submit a form using JavaScript? - Stack Overflow
Learn how to submit a form using JavaScript with detailed explanations and code examples.
How can I make a button redirect my page to another page?
May 15, 2013 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising Reach devs & technologists worldwide about your …