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How do you use the ? : (conditional) operator in JavaScript?
Jun 7, 2011 · It's a little hard to google when all you have are symbols ;) The terms to use are "JavaScript conditional operator". If you see any more funny symbols in JavaScript, you should …
What does the !! (double exclamation mark) operator do in …
A third use is to produce logical XOR and logical XNOR. In both C and JavaScript, a && b performs a logical AND (true if both sides are true), and a & b performs a bitwise AND. a || b …
Which equals operator (== vs ===) should be used in JavaScript ...
Dec 11, 2008 · JavaScript has two sets of equality operators: === and !==, and their evil twins == and !=. The good ones work the way you would expect. The good ones work the way you …
What is the purpose of the dollar sign in JavaScript?
Mar 29, 2022 · Unlike many similar languages, identifiers (such as functional and variable names) in Javascript can contain not only letters, numbers and underscores, but can also contain …
How to use OR condition in a JavaScript IF statement?
Mar 2, 2010 · In JavaScript, if you're looking for A or B, but not both, you'll need to do something similar to:
What does ${} (dollar sign and curly braces) mean in a string in ...
Mar 7, 2016 · I haven't seen anything here or on MDN. I'm sure I'm just missing something. There's got to be some documentation on this somewhere.
javascript - What does [object Object] mean? - Stack Overflow
In JavaScript there are 7 primitive types: undefined, null, boolean, string, number, bigint and symbol. Everything else is an object. Everything else is an object. The primitive types boolean …
Usage of the backtick character (`) in JavaScript
Dec 28, 2014 · Backticks in JavaScript is a feature which is introduced in ECMAScript 6 // ECMAScript 2015 for making easy dynamic strings. This ECMAScript 6 feature is also named …
What does "javascript:void (0)" mean? - Stack Overflow
Aug 18, 2009 · In addition to the technical answer, javascript:void means the author is Doing It Wrong. There is no good reason to use a javascript: pseudo-URL(*). In practice it will cause …
Which "href" value should I use for JavaScript links, "#" or ...
Sep 26, 2008 · Then attach your JavaScript functionality using graceful and unobtrusive best practices - which are more maintainable as your JavaScript logic stays in JavaScript, instead …