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Asked 9 years, 10 months ago modified 2 years, 1 month ago viewed 427k times What does $ {} (dollar sign and curly braces) mean in a string in javascript? How to use or condition in a javascript if statement?

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This is also a community wiki, so everyone is invited to participate in maintaining. What does the % do in javascript? Previously most javascript code used ||.

Asked 15 years, 10 months ago modified 2 years, 11 months ago viewed 880k times

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. A definition of what it is and what it does would be much appreciated. 27 it's a little hard to google when all you have are symbols ;) the terms to use are javascript conditional operator. A valid javascript identifier shuold must start with a letter, underscore (_), or dollar sign ($);

Because javascript is case sensitive, letters. Related to is there a null coalescing operator in javascript? It's just a character that happens to be a legal identifier in javascript. And in any case, how is the dollar sign even related to that?

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This is a collection of questions that come up every now and then about syntax in javascript.

Operator which i see in use more frequently. 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. If you see any more funny symbols in javascript, you should.

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