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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <style> #bbs { display:; } </style> <script> function displayHideUI(){ var ui =document.getElementById("bbs"); ui.style.display="none"; } function displayShowUI(){ var ui =document.getElementById("bbs"); ui.style.display="";//display为空的话会好使，为block会使后边的空间换行 } function visibilityHideUI(){ var ui =document.getElementById("bbs"); ui.style.visibility="hidden"; } function visibilityShowUI(){ var ui =document.getElementById("bbs"); ui.style.visibility="visible"; } function ifOnClickUI(){ var ui =document.getElementById("bbs"); if(ui.style.display==""){ ui.style.display="none"; } else{ ui.style.display=""; } } </script> </head> <body> <input type="button" value="隐藏UI" onclick="displayHideUI()"/> <input type="button" value="显示UI" onclick="displayShowUI()"/> <input type="button" value="IF显示UI" onclick="ifOnClickUI()"/> <div id="bbs" display=""> 隐藏内容 </div> </body> </html>
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原文地址：http://www.cnblogs.com/blacop/p/5910995.html
