Javascript Magic: Responsive Backgrounds With Mouse Interaction

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· what does $ {} (dollar sign and curly braces) mean in a string in javascript? This operator is frequently used as a shortcut for the if statement. There is no good reason to use a javascript: 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 … @ansharja yes you can use a javascript object instead of a map as long as the key-getter function returns a string. I still recommend crockfords talk for … Asked 9 years, modified 1 year, viewed 418k times The nullish coalescing operator (??) in javascript only considers null or undefined as nullish values. And in any case, how is the dollar sign even related to that? Reading your code, id like to point out that there would be edge cases when … Its just a character that happens to be a legal identifier in javascript. · javascript does have types; Not only is it safe, but in many cases it simplifies your code in a way that improves readability. · the conditional (ternary) operator is the only javascript operator that takes three operands. · how to use or condition in a javascript if statement? · in addition to the technical answer, javascript:void means the author is doing it wrong. · im using jslint to go through javascript, and its returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing … If the left-hand side is any other value, even falsy values like (empty string), 0, or … In practice it will cause … · in all other cases, youre safe to use ==. Asked 15 years, modified 2 years, viewed 874k times