mousedown event javascript

instead use the Changedtouches collection./* when there is no problem when triggering the Touchstart and Touchmove events, the program can correctly enter the if and execute the corresponding statement according to the case, but when the Touchend event is triggered, Event.touches.length is already equal to 0, can not enter if, can not execute the statement in case, so trigger touchend will never execute the program. So the judging condition should a

Method of Event bindingDiv.onclick = function () {}//function this points to Div-----------------------------------------------Obj.addeventlistener (Type,fn,false) IE9 The following is incompatible, you can bind multiple handlers for an event the this in the function points to the DIVDiv.addeventlistener (' click ', Function () {},false);Div.addeventlistener (' click ', Test,false);function Test () {//....}

(' click ', function () {Alert (' One triggers only once! ‘);});Similar to. Delegate () triggers only once$ (' #box). One (' Click ', ' click ', function () {Alert (' One triggers only once! ‘);});Three. Examples of event delegates:HTML code:jquery Code:$ (' div '). Click (function (e) {alert (' Event type: ' + E.type + ', Value: ' + $ (e.target). Val ());})Click "Button 1" to Eject:

This article is for the JavaScript event "event type" under the "Focus, mouse and wheel event," the attention points of the collation, share to everyone for your reference, the specific contents are as follows One, focus events These events are generally used in conjunction with the Document.hasfocus () method and th

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The processing function of the keyboard event1, KeyDown: When the user presses any key on the keyboard to trigger, if press and hold, will repeatedly trigger.2, KeyPress: When the user presses the character key on the keyboard to trigger, if press and hold, the trigger will be repeated.3, KeyUp: When the user presses any key on the keyboard to release the key on the keyboard will be triggered.Second, the processing function of HTML event1.load: Automatically fires on the window when the page is

In many language learning, "event" is a relatively difficult to understand, but it is a very important concept. The same is true of event handling in JavaScript, which results from an AJAX drag because of event handling. This article discusses the event processing in

[Javascript Summary] javascript's IE event and DOM event model, javascriptdomCommon event model 1. Binding on HTML pages 2. Bind events to the javascript script file for processing document.getElementById('button').onclick = function;Eve