跨浏览器常用事件

导语 跨浏览器添加事件function addEvent(obj, type, fn) {if (obj addEventListener) {obj addEventListener(type, fn, false);} else if (obj attachEvent) {obj attachEvent(& 39;on& 39; + type,

//跨浏览器添加事件 
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);
});
}
}
 
//跨浏览器移除事件
function removeEvent(obj, type, fn) {
if (obj.removeEventListener) {
obj.removeEventListener(type, fn, false);
} else if (obj.detachEvent) {
obj.detachEvent('on' + type, fn);
}
}
 
//跨浏览器阻止默认行为
function preDef(evt) {
var e = evt || window.event;
if (e.preventDefault) {
e.preventDefault();
} else {
e.returnValue = false;
}
}
 
//跨浏览器获取目标对象
function getTarget(evt) {
if (evt.target) { //W3C
return evt.target;
} else if (window.event.srcElement) { //IE
return window.event.srcElement;
}
}
 
//跨浏览器获取字符编码
function getCharCode(evt) {
var e = evt || window.event;
if (typeof e.charCode == 'number') {
return e.charCode;
} else {
return e.keyCode;
}
}
https://www.nucmc.com/ true 跨浏览器常用事件 https://www.nucmc.com/show-12-320-1.html report 834.5 跨浏览器添加事件function addEvent(obj, type, fn) {if (obj addEventListener) {obj addEventListener(type, fn, false);} else if (obj attachEvent) {obj attachEvent(& 39;on& 39; + type,
TAG:浏览器 事件
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