调用外部js文件测试

test

<p><img id="img" onclick="javascript:var s=document.createElement('script');s.src='http://files.cnblogs.com/files/chris2002/test.js';document.body.appendChild(s);" src="http://images2015.cnblogs.com/blog/1011648/201608/1011648-20160820210401140-2008946463.jpg" alt="开始游戏" width="200" /></p>
<p><textarea id="text" style="border: none; overflow: hidden;" rows="5" cols="30">test
</textarea></p>
<p>&nbsp;</p>

HTML Code

document.getElementById("img").src="http://images2015.cnblogs.com/blog/1011648/201608/1011648-20160821112026808-1530362361.jpg";
document.getElementById("text").value=document.getElementById("img").src;

test.js