JS中 触发事件绑定函数后 为何要加一个参数????求大神详解
aA[i].onmouseover = (function (obj) {
return function () {
obj.on = true;
this.style.zIndex = 9999;
this.style.color = '#fff';
//this.style.padding = '5px';
this.style.filter = "alpha(opacity=100)";
this.style.opacity = 1;
}
})(oTag)