
- What does the !! (double exclamation mark) operator do in …- 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 … 
- 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 … 
- What does ${} (dollar sign and curly braces) mean in a string in ...- 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 423k times 
- What is the purpose of the dollar sign in JavaScript?- 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. 
- How do you use the ? : (conditional) operator in JavaScript?- Jun 7, 2011 · The conditional (ternary) operator is the only JavaScript operator that takes three operands. This operator is frequently used as a shortcut for the if statement. 
- Is there a "null coalescing" operator in JavaScript?- Jan 25, 2009 · JavaScript now supports the nullish coalescing operator (??). It returns its right-hand-side operand when its left-hand-side operand is null or undefined, and otherwise returns … 
- Difference between == and === in JavaScript - Stack Overflow- Feb 7, 2009 · What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators? 
- 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. The primitive types boolean, string and number can be … 
- How can I use modulo operator (%) in JavaScript? [duplicate]- Closed 12 years ago. How can I use modulo operator (%) in calculation of numbers for JavaScript projects? 
- What is the correct way to check for string equality in JavaScript ...- Aug 27, 2010 · What is the correct way to check for string equality in JavaScript? Asked 15 years, 2 months ago Modified 3 years, 2 months ago Viewed 1.8m times