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<html>
<head>
<span><span class="tag"><</span><span class="tag-name">script</span><span> </span><span class="attribute">src</span><span>=</span><span class="attribute-value">"http://libs.baidu.com/jquery/2.0.0/jquery.min.js"</span><span class="tag">></span><span class="tag"></</span><span class="tag-name">script</span><span class="tag">></span><span> </span></span>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$(window.frames["iframe1"].document).scrollTop("10");
});
});
</script>
</head>
<body>
<iframe src="http://www.w3school.com.cn/example/html/demo_iframe.html" height="60px" name="iframe1">
<p>Your browser does not support iframes.</p>
</iframe>
<button type="button">Click me</button>
</body>
</html>
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原文地址：http://blog.csdn.net/u010403387/article/details/45074731
