获取浏览器当前事件对象
function getEvent(event) {
var ev = event || window.event;
if (!ev) {
var c = this.getEvent.caller;
while (c) {
ev = c.arguments[0];
if (ev && (Event == ev.constructor || MouseEvent == ev.constructor)) {
break;
}
c = c.caller;
}
}
return ev;
}
var ev = event || window.event;
if (!ev) {
var c = this.getEvent.caller;
while (c) {
ev = c.arguments[0];
if (ev && (Event == ev.constructor || MouseEvent == ev.constructor)) {
break;
}
c = c.caller;
}
}
return ev;
}