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Alex Rivera
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Possible Duplicate: JavaScript function aliasing doesn't seem to work Related jsfiddle: http://jsfiddle.net/cWCZs/1/ The following code works perfectly: var qs = function( s ) { return document.querySelector( s ); }; qs( 'some selector' ); But the following doesn't: var qs = document.querySelector; qs( 'some selector' ); // Uncaught TypeError: Illegal invocation I don't understand why. My confusion comes with the fact that this works: function t() { console.log( 'hi' ); } var s = t; s(); // "hi"
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