for (var i = 0; i < divs.length; i++) { divs[i].index = i;
divs[i].onmouseover=function(){
console.log(this.index);
spans[this.index].style.top = start+"px";
},100)
}
};
this.inde為什么會是undefined？？？
當年話下
2018-09-11 17:13:11