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php如何清除已经echo的内容

WBOY
Release： 2016-06-20 12:31:10
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如题
例如


echo "如何删除这一句话！";
  ?>



从已经显示的网页中删除上面那句话！


回复讨论(解决方案)

<script>window.onload=function(){	document.getElementById("main").innerHTML = "";}</script>
Copy after login

使用js，给id="main"赋值为空

用按钮怎么删除？

加个button再给按钮加点击事件就好啦


<script> <br />function foo(){ <br /> document.getElementById("main").innerHTML = ""; <br />} <br /></script>

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