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 userAge =

Novice JavaScript developers need to know that the "not not" operator is using implicitly the original loose comparison method instead of the exact === or !== operators and also the …

11. Dez. 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 …

7. März 2016 · What does $ {} (dollar sign and curly braces) mean in a string in JavaScript? Asked 9 years, 10 months ago Modified 2 years, 1 month ago Viewed 427k times

29. März 2022 · Javascript does have types; and in any case, how is the dollar sign even related to that? It's just a character that happens to be a legal identifier in Javascript.

18. Aug. 2009 · Usage of javascript:void(0) means that the author of the HTML is misusing the anchor element in place of the button element. Anchor tags are often abused with the onclick …

That is, JavaScript "short-circuits" the evaluation of Boolean operators and will return the value associated with either the first non-false variable value or whatever the last variable contains. …

In JavaScript there are 7 primitive types: undefined, null, boolean, string, number, bigint and symbol. Everything else is an object. The primitive types boolean, string and number can be …

28. März 2015 · How does the double exclamation (!!) work in JavaScript? [duplicate] Asked 10 years, 9 months ago Modified 1 year, 11 months ago Viewed 255k times

2. März 2010 · How to use OR condition in a JavaScript IF statement? Asked 15 years, 10 months ago Modified 2 years, 11 months ago Viewed 880k times