div的变宽和变高 _复杂版

来源:互联网 发布:js prototype 继承 编辑:程序博客网 时间:2024/05/07 14:23
代码较繁杂
<!doctype html><html><head><meta charset="utf-8"><title>变高和变宽</title><style>div{ width:200px; height:200px; background:blue; margin:20px; float:left;}</style><script>window.onload=function(){var oDiv1=document.getElementById('div1');oDiv1.onmouseover=function(){startMove(this,400);}oDiv1.onmouseout=function(){startMove(this,200);}var oDiv2=document.getElementById('div2');oDiv2.onmouseover=function(){startMove1(this,400);}oDiv2.onmouseout=function(){startMove1(this,200);}}function startMove(obj,iTarget){clearInterval(obj.timer);obj.timer=setInterval(function(){ var speed=(iTarget-obj.offsetHeight)/6; speed=speed>0?Math.ceil(speed):Math.floor(speed);  if(obj.offsetHeight==iTarget) { clearInterval(obj.timer); } else { obj.style.height=obj.offsetHeight+speed+'px'; }},30);}function startMove1(obj,iTarget){clearInterval(obj.timer);obj.timer=setInterval(function(){ var speed=(iTarget-obj.offsetWidth)/6; speed=speed>0?Math.ceil(speed):Math.floor(speed);  if(obj.offsetWidth==iTarget) { clearInterval(obj.timer); } else { obj.style.width=obj.offsetWidth+speed+'px'; }},30);}</script></head><body><div id="div1">变高</div><div id="div2">变宽</div></body></html>

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