javascript - differences between binding and not binding parameter at function call -

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what differences between followings:

method 1:

(function( $, window, document, undefined ) { ....... })( jquery, window, document );

method 2:

(function( $, window, document, undefined ) { ....... })();

in both functions, there local variables $, window, document , undefined

inside first function have passed in values (except undefined, undefined).

inside second function, undefined (and still mask global variables same name).


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