<!doctype html><html><head><title>運動</title><meta charset="utf-8"><style>.div1{width:100px;height:100px;float:left;background:#ccc;margin:5px;}</style><script>window.onload=function(){????aDiv=document.getElementsByClassName('div1');???????for(var i=0;i<aDiv.length;i++)????{aDiv[i].onclick=function(){this.style.background="red";// aDiv[i].style.background="red"; ? ?//為什么不能這樣寫呢？}???????}???}</script></head><body><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div><div class="div1"></div></body></html>
在匿名函數中 aDiv[i].style.background="red"; //為什么不能這樣寫呢？
09賣一品牛肉粒
2019-04-26 16:48:32
