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  1. javascript - When should I use ?? (nullish coalescing) vs || (logical ...

    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 =

  2. 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 …

  3. 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 …

  4. How do you use the ? : (conditional) operator in JavaScript?

    Jun 7, 2011 · 27 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 …

  5. 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, 10 months ago Modified 2 years, 1 month ago Viewed 427k times

  6. What is the difference between != and !== operators in JavaScript?

    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?

  7. 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.

  8. JavaScript OR (||) variable assignment explanation - Stack Overflow

    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. …

  9. What does % do in JavaScript? - Stack Overflow

    Jan 17, 2012 · What does the % do in JavaScript? A definition of what it is and what it does would be much appreciated.

  10. How to use OR condition in a JavaScript IF statement?

    Mar 2, 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

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