错误:"Microsoft JScript运行时错误:需要对象"；

问题描述

这是代码:

Here is the code:

<script language="javascript" type="text/javascript">
    function ChangeImage(FirstID, SecondID) {

        document.write(FirstID + "_" + SecondID);
        var ClickedImage = document.getElementById(FirstID);
        var img = document.getElementById(SecondID);
        var changeURL = img.src;  <--       

        img.src = ClickedImage.src;

        ClickedImage.src = changeURL.src;



    }

</script>

错误"Microsoft JScript运行时错误:必需的对象"跳转
在箭头所在的线上.

The Error "Microsoft JScript runtime error: Object required" jumps
on the line where the arrow is.

How to fix that?

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