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Bookmark or Share- What is the purpose of the dollar sign in JavaScript?Unlike many similar languages, identifiers (such as functional and variable names) in Javascript can contain not only letters, numbers and underscores, but can also contain dollar signs. They are even allowed to start with a dollar sign, or consist only of a dollar sign and nothing else. Thus, $ is a valid function or variable name in Javascript.
- Usage of the backtick character (`) in JavaScript - Stack OverflowBackticks in JavaScript is a feature which is introduced in ECMAScript 6 // ECMAScript 2015 for making easy dynamic strings. This ECMAScript 6 feature is also named template string literal. It offers the following advantages when compared to normal strings: In Template strings linebreaks are allowed and thus can be multiline.
- What does ${} (dollar sign and curly braces) mean in a string in ...I haven't seen anything here or on MDN. I'm sure I'm just missing something. There's got to be some documentation on this somewhere.
- How to use OR condition in a JavaScript IF statement?In JavaScript, if you're looking for A or B, but not both, you'll need to do something similar to:
- Which equals operator (== vs ===) should be used in JavaScript ...JavaScript has two sets of equality operators: === and !==, and their evil twins == and !=. The good ones work the way you would expect. The good ones work the way you would expect. If the two operands are of the same type and have the same value, then === produces true and !== produces false .
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