前台
<img src="" name="imga" id="imga">
<script type="text/javascript">
function callback(msg)
{
document.getElementById("imga").setAttribute("src",msg)
}
</script> 后台
a="bb.jpg"
out.println("<script>parent.callback(a)</script>")
运行时显示错误a未定义
<img src="" name="imga" id="imga">
<script type="text/javascript">
function callback(msg)
{
document.getElementById("imga").setAttribute("src",msg)
}
</script> 后台
a="bb.jpg"
out.println("<script>parent.callback(a)</script>")
运行时显示错误a未定义
var a = "bb.jpg";
.....
.....
</script>
a="bb.jpg"
out.println("<script>parent.callback(‘“+a+”’)</script>")
运行时显示错误a未定义
out.println("<script>parent.callback('"+a+"')</script>")