What does the first semicolon imply? " ;( function( ) { } ) ( ); " [duplicate]

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Semicolon before self-invoking function? [duplicate] (4 answers)

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I was just going through the source code of cordova.js, its structure is like

;(function() { cordova code I have yet to understand })();

Just curious what does the first semi-colon imply?

Is it just to make sure that there is a semicolon preceding the anonymous function or does it mean something else?

Answer 1

It is a defensive semicolon, this is in case someone concatenates some JavaScript before your code, and this concatenated code forgot to put a terminating semicolon.

Answer 2

It's just to prevent an error if you combine multiple js files. So you can remove it if you want.