<html>
<body>
<h3>访问 SCRIPT 元素</h3>
<script id="myScript" src="/demo/demo_script_src.js"></script>
<p>点击按钮获取外部脚本文件的 URL。</p>
<p id="demo"></p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction()
{
var x = document.getElementById("myScript").src;
document.getElementById("demo").innerHTML = x;
};
</script>
</body>
</html>