//¿çä¯ÀÀÆ÷Ìí¼Óʼþ
function addEvent(obj, type, fn) {
if (obj.addEventListener) {
obj.addEventListener(type, fn, false);
} else if (obj.attachEvent) {
obj.attachEvent('on' + type, function () {
fn.call(obj);
});
}
}
//¿çä¯ÀÀÆ÷ÒƳýʼþ
function removeEvent(obj, type, fn) {
if (obj.removeEventListener) {
obj.removeEventListener(type, fn, false);
} else if (obj.detachEvent) {
obj.detachEvent('on' + type, fn);
}
}
//¿çä¯ÀÀÆ÷×èֹĬÈÏÐÐΪ
function preDef(evt) {
var e = evt || window.event;
if (e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = false;
}
}
//¿çä¯ÀÀÆ÷»ñÈ¡Ä¿±ê¶ÔÏó
function getTarget(evt) {
if (evt.target) { //W3C
return evt.target;
} else if (window.event.srcElement) { //IE
return window.event.srcElement;
}
}
//¿çä¯ÀÀÆ÷»ñÈ¡×Ö·û±àÂë
function getCharCode(evt) {
var e = evt || window.event;
if (typeof e.charCode == 'number') {
return e.charCode;
} else {
return e.keyCode;
}
}
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