Delaying JavaScript Execution

출처 : http://www.matts411.com/post/delaying_javascript_event_execution/

var onFooEndFunc = function() {
	var delay = 50; /* milliseconds - vary as desired */
	var executionTimer;
	
	return function() {
		if (executionTimer) {
			clearTimeout(executionTimer);
		}
	
		executionTimer = setTimeout(function() {
			// YOUR CODE HERE
		}, delay);
	};
}();