jquery Touch Screen plugin: Tap code

jquery Touch Screen plugin: Tap, the use of the method is very simple, for example:
$ ("#domid"). Tap (function () {
Alert ("You tapped me! -by "+this.innertext");
});
Rely on jquery 1.7+

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$.fn.tap = function (fn) {
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var collection = this,
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Istouch = "Ontouchend" in Document.createelement ("div"),
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Tstart = Istouch? "Touchstart": "MouseDown",
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Tmove = Istouch? "Touchmove": "MouseMove",
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tend = Istouch? "Touchend": "MouseUp",
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Tcancel = Istouch? "Touchcancel": "Mouseout";
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Collection.each (function () {
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var i = {};
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I.target = this;
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$ (I.target). On (Tstart,function (e) {
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var p = "Touches" in e? E.touches[0]: (Istouch window.event.touches[0]: window.event);
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I.startx = P.clientx;
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I.starty = P.clienty;
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I.endx = P.clientx;
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I.endy = P.clienty;
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I.starttime = + new Date;
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});
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$ (I.target). On (Tmove,function (e) {
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var p = "Touches" in e? E.touches[0]: (Istouch window.event.touches[0]: window.event);
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I.endx = P.clientx;
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I.endy = P.clienty;
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});
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$ (I.target). On (Tend,function (e) {
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if ((+ new Date)-i.starttime<300) {
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if (Math.Abs (I.ENDX-I.STARTX) +math.abs (i.endy-i.starty) <20) {
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var e = e | | window.event;
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E.preventdefault ();
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Fn.call (I.target);
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http://www.huiyi8.com/biaoqian/taobao/}
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}
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I.starttime = undefined;
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I.startx = undefined;
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I.starty = undefined;
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I.endx = undefined;
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I.endy = undefined;
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});
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});
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return collection;
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}