
JavaScript出现函数未定义,我明明定义了函数
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/...
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<style type="text/css">
#Layer1 {
position:absolute;
width:800px;
height:650px;
z-index:1;
}
#Layer2 {
position:absolute;
width:193px;
height:115px;
z-index:2;
left:20px;
top:540px;
background-color: #99CC66;
}
</style>
<script language="javascript" type="text/javascript">
function changepos()
{
var x=400px;
if(!document.getElementById)return false;
var obj=document.getElementById("Layer2");
//obj.style.visibility="hidden";
//var obj=document.getElementById("Layer2");
obj.style.left=x;
return true;
}
</script>
<body>
<div id="Layer2" onclick="return changepos();" draggable="true"><img src="318752-130G520514186.jpg" name="Image1" width="171" height="114" /></div>
</body>
</html> 展开
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<style type="text/css">
#Layer1 {
position:absolute;
width:800px;
height:650px;
z-index:1;
}
#Layer2 {
position:absolute;
width:193px;
height:115px;
z-index:2;
left:20px;
top:540px;
background-color: #99CC66;
}
</style>
<script language="javascript" type="text/javascript">
function changepos()
{
var x=400px;
if(!document.getElementById)return false;
var obj=document.getElementById("Layer2");
//obj.style.visibility="hidden";
//var obj=document.getElementById("Layer2");
obj.style.left=x;
return true;
}
</script>
<body>
<div id="Layer2" onclick="return changepos();" draggable="true"><img src="318752-130G520514186.jpg" name="Image1" width="171" height="114" /></div>
</body>
</html> 展开
2个回答
2015-04-15
展开全部
obj.style.left=x; 改 x+'px'
onclick="return changepos();" 这里不加return不成么。
onclick="return changepos();" 这里不加return不成么。
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