<body>
<div id=div1 style="position:absolute; background-color:#cccccc; border:1px solid black;top:0px;left:0px; width:100px; height:100px">
</body>
<SCRIPT LANGUAGE="JavaScript">
document.onkeydown = function()
{
event.returnValue = false;
if(event.keyCode == 37)
{
div1.style.left = parseInt(div1.style.left) - 10 <= 0
? 0 : parseInt(div1.style.left) - 10;
}
if(event.keyCode == 39)
{
div1.style.left = parseInt(div1.style.left) + 10;
}
if(event.keyCode == 38)
{
div1.style.top = parseInt(div1.style.top) - 10 <= 0
? 0 : parseInt(div1.style.top) - 10;
}
if(event.keyCode == 40)
{
div1.style.top = parseInt(div1.style.top) + 10;
}
}
</SCRIPT>
<div id=div1 style="position:absolute; background-color:#cccccc; border:1px solid black;top:0px;left:0px; width:100px; height:100px">
</body>
<SCRIPT LANGUAGE="JavaScript">
document.onkeydown = function()
{
event.returnValue = false;
if(event.keyCode == 37)
{
div1.style.left = parseInt(div1.style.left) - 10 <= 0
? 0 : parseInt(div1.style.left) - 10;
}
if(event.keyCode == 39)
{
div1.style.left = parseInt(div1.style.left) + 10;
}
if(event.keyCode == 38)
{
div1.style.top = parseInt(div1.style.top) - 10 <= 0
? 0 : parseInt(div1.style.top) - 10;
}
if(event.keyCode == 40)
{
div1.style.top = parseInt(div1.style.top) + 10;
}
}
</SCRIPT>
解决方案 »
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