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节点门面on自定义事件绑定forTouch.html
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节点门面on自定义事件绑定forTouch.html
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<!DOCTYPE html>
<html>
<head>
<meta charset=utf-8>
<title>节点门面on()自定义事件绑定demo</title>
<style type="text/css">
</style>
</head>
<body>
<button class="button">button</button>
<span id="touchEvent"></span>
<script type="text/javascript">
(function(){
var TOUCHSTART,TOUCHEND;
//常规的touch事件
if(typeof(window.ontouchstart)!='undefined'){
TOUCHSTART = 'touchstart';
TOUCHEND = 'touchend';
//IE的触摸事件
}else if(typeof(window.onmspointerdown)!='undefined'){
TOUCHSTART = 'MSPointerDown';
TOUCHEND = 'MSPointerUp';
//鼠标事件
}else{
TOUCHSTART = 'mousedown';
TOUCHEND = 'mouseup';
}
//简单$选择器
window.$ = function(selector){
var node = document.querySelector(selector);
if(node){
return new NodeFace(node);
}else{
return null;
}
}
//构造函数
function NodeFace(node){
this._node = node;
}
NodeFace.prototype = {
getNode : function(){
return this._node;
},
on : function(e, callback){
if(e === 'tap'){
this._node.addEventListener(TOUCHSTART,callback);
}else if(e === 'tapend'){
this._node.addEventListener(TOUCHEND,callback);
}else{
this._node.addEventListener(e,callback);
}
return this;
},
off : function(e,callback){
if(e === 'tap'){
this._node.removeEventListener(TOUCHSTART,callback);
}else if(e === 'tapend'){
this._node.removeEventListener(TOUCHEND,callback);
}else{
this._node.removeEventListener(e,callback);
}
return this;
}
}
})();
//注意链式调用
$('.button').on('tap',function(e){
e.preventDefault();
console.log('合成事件touchstart!!!');
}).on('tapend',function(e){
console.log('合成事件touchend!!!');
});
</script>
</body>
</html>