<html>
<head>
<script src="http://code.jquery.com/jquery-1.9.1.js"></script>
<script src="http://code.jquery.com/ui/1.10.3/jquery-ui.js"></script>
<title>Javascript Create Div Element Dynamically</title>
<style type="text/css">
.ex
{
width:200px;
position: relative;
background-color :#CCC;
height:150px;
padding:10px;
margin:5px;
left-margin:0px;
float :left;
}
#newdiv
{
width:800px;
height:800px;
border:1px solid #000;
}
.myimage
{
height: 80;
width: 80;
top:100;
margin:5px;
}
.border
{
border:1px solid #000;
}
</style>
<script>
cc=1;
function changeimage()
{
if (cc==0)
{
cc=1;
document.getElementByClassName('myimage').src="images/white_contact.png";
}
else if (cc==1)
{
cc=2;
document.getElementByClassName('myimage').src="images/yellow_contact.png";
}
else if (cc==2)
{
cc=3;
document.getElementByClassName('myimage').src="images/red_contact.png";
}
else
{
cc=0;
document.getElementByClassName('myimage').src="images/green_contact.png";
}
}
</script>
<script type="text/javascript" language="javascript">
var i=0;
function createDiv()
{
if(i < 6) {
var divTag = document.createElement("div");
divTag.id = "div1";
divTag.setAttribute("align","left");
divTag.style.margin = "0px auto";
divTag.className ="ex";
divTag.innerHTML = "<img class='myimage' onclick='changeimage()' border='0' src='images/white_contact.png' width='100' height='180' />";
document.getElementById("newdiv").appendChild(divTag)
}
i++;
$( ".ex" ).draggable({containment:'parent',cursor:'pointer',opacity:0.6});
$( ".ex" ).droppable({ hoverClass:'border' });
}
</script>
</head>
<body>
<p align="left">
<b>Click this button to create div element dynamically:</b>
<input id="btn1" type="button" value="create div" onClick="createDiv();" />
<div id = "newdiv">
</div>
</body>
</html>
我已将 ID 编辑为 class，并将所有更改为 getElementByClassName，但仍然无法正常工作，当我单击它时图片 nvr 会更改
问题是什么.............................................. ..................................................... …………