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 …

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 …

May 25, 2018 · JavaScript allows upper- and lower-case letters (in a wide variety of scripts, not just English), numbers (but not at the first character), $, _, and others.¹ Prototype, jQuery, and …

Feb 7, 2009 · What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?

Dec 28, 2014 · 4 The backtick character (`) in JavaScript is used to define template literals. A template literal is a special type of string that allows you to embed expressions, which are …

Closed 12 years ago. How can I use modulo operator (%) in calculation of numbers for JavaScript projects?

What is this? This is a collection of questions that come up every now and then about syntax in JavaScript. This is also a Community Wiki, so everyone is invited to participate in maintaining …

This function below doesn’t work like I want it to; being a JS novice I can’t figure out why. I need it to wait 5 seconds before checking whether the newState is -1. Currently, it doesn’t wait, i...

Aug 18, 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 …