代码如下：
<SCRIPT> function add() { var ress=document.forms[0].luxiaoqing.value window.location="view-source:"+ress; } </SCRIPT> 输入要查看源代码的URL地址: <FORM><input type="text" name="luxiaoqing" size=40 value="http://"></FORM> <FORM><br> <INPUT type="button" value="查看源代码" onClick=add()> </FORM>