in_array()

This snippet searches an array for a pre-specified element and returns 'true' if it's found, 'false' if it's not found. It functions like the in_array() in PHP.

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var v_array = [ 5, 10, 15, 20, 25]; document.writeln(v_array.in_array(10)); // will return true document.writeln(v_array.in_array(11)); // will return false