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What does the leading semicolon in JavaScript libraries do?
A function in JavaScript looks like the following:
(function(){...})()A library in JavaScript shows a function, which begins with a semicolon, for example:
;(function ) {
}The semicolon allows to safely concatenate several JS files into one. This is to serve it faster as one HTTP request.
A leading semicolon can also be to protect from preceding code, which may have been improperly closed. A semicolon will definitely prevent this from happening.
Updated on: 30-Sep-2019
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