写个例子自己看,主要用样式表的 overflow:auto !<body>
<input type="button" id="btnReduce" value="缩小">
<input type="button" id="btnEnlarge" value="扩大">
<div id="divFrame" style="overflow:auto; border:#ff0000 1px solid; width:100px; height:100px;">今天好热呀!今天好热呀!今天好热呀!今天好热呀!今天好热呀!今天好热呀!<div>
<script language="JavaScript">
<!--btnReduce.onclick = function()
{
divFrame.style.width = divFrame.offsetWidth - 20;
divFrame.style.height = divFrame.offsetHeight - 20;
}btnEnlarge.onclick = function()
{
divFrame.style.width = divFrame.offsetWidth + 20;
divFrame.style.height = divFrame.offsetHeight + 20;
}
//-->
</script>
</body>
<input type="button" id="btnReduce" value="缩小">
<input type="button" id="btnEnlarge" value="扩大">
<div id="divFrame" style="overflow:auto; border:#ff0000 1px solid; width:100px; height:100px;">今天好热呀!今天好热呀!今天好热呀!今天好热呀!今天好热呀!今天好热呀!<div>
<script language="JavaScript">
<!--btnReduce.onclick = function()
{
divFrame.style.width = divFrame.offsetWidth - 20;
divFrame.style.height = divFrame.offsetHeight - 20;
}btnEnlarge.onclick = function()
{
divFrame.style.width = divFrame.offsetWidth + 20;
divFrame.style.height = divFrame.offsetHeight + 20;
}
//-->
</script>
</body>
解决方案 »
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