The nullish coalescing operator (??) in JavaScript only considers null or undefined as "nullish" values. If the left-hand side is any other value, even falsy values like "" (empty string), 0, or …

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 …

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 …

Mar 7, 2016 · What does $ {} (dollar sign and curly braces) mean in a string in JavaScript? Asked 9 years, 7 months ago Modified 1 year, 10 months ago Viewed 422k times

Mar 29, 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.

Jun 5, 2012 · For non-query usages, see What is the hash tag used for in JavaScript? and specifically for class syntax What does the # symbol (number sign) do inside a JavaScript class?

Jun 7, 2011 · If javascript only has 1 of a type of operator, then it is definitely correct to say THE ternary operator and not A ternary operator... Saying "this ternary operator is A ternary …

Jun 24, 2019 · 4 In javascript you have also the ===. = This is for set the value to the variable. == This is for compare if the value is the same. === This is for compare if the value is the same …

Dec 11, 2009 · What is the difference between the !== operator and the != operator in JavaScript? Does it behave similarly to the === operator where it compares both value and type?

What's the difference between & and && in JavaScript? Asked 14 years, 1 month ago Modified 1 year, 6 months ago Viewed 143k times