Detect zoom event in JavaScript

onzoom.js

// set zoom event
window.onzoom = function(e) {
	// zoom event
}

// detect resize
(function() {
	var oldresize = window.onresize;
	window.onresize = function(e) {
		var event = window.event || e;
		if(typeof(oldresize) === 'function' && !oldresize.call(window, event)) {
			return false;
		}
		if(typeof(window.onzoom) === 'function') {
			return window.onzoom.call(window, event);
		}
})();

save my life. thanks

window.onzoom = function(e) {
	// zoom event
};

// detect resize
(function() {
	var oldresize = window.onresize;
	window.onresize = function(e) {
      var event = window.event || e;
      if(typeof(oldresize) === 'function' && !oldresize.call(window, event)) {
        return false;
      }
      if(typeof(window.onzoom) === 'function') {
        return window.onzoom.call(window, event);
      }
  }
})();