
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
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 idSele_UNVEHtype.value.
What does ${} (dollar sign and curly braces) mean in a string in ...
Mar 7, 2016 · Example added. Reference was in a coding challenge but it was a given, as if it was something you just use. Hadn't seen anything on it and couldn't find anything eit
How to use OR condition in a JavaScript IF statement?
Jan 11, 2023 · JS .some return not correct result-1. Adding an OR to if/else statements in Javascript-2. Jquery - If ...
javascript - What does [object Object] mean? - Stack Overflow
The object whose class is Object seems quite different from the usual class instance object, because it acts like an associative array or list: it can be created by simple object literals (a list of keys and properties), like this: let obj={A:'a',B:'b'}; and because it looks very like this same literal notation when displayed in the Developer Tools Console pane and when it is converted to a ...
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 ${waitTime/1000} second delay`); Explanation. Declare wait time as 3000
javascript check for not null - Stack Overflow
Jun 16, 2014 · There are 3 ways to check for "not null". My recommendation is to use the Strict Not Version. 1. Strict Not Version
Newest 'javascript' Questions - Stack Overflow
Here I have a problem using choice.js, where the data selected in the first dropdown still appears in other dropdowns. Here I have added a dropdown update function in other functions, the results are ...
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 javascript users, what is the proper way to support as I understand that ES version depends on the client's browser? –