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js修改input的type属性问题探讨

2013-10-12 10:35 645 查看
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>阿当制作</title> </head> <style type="text/css"> </style> <body> <input name="" type="text" value="密码" class="inputText_1" id="tx" style="width:100px;" /> <input name="" type="password" style="display:none;width:100px;" id="pwd" /> <script type="text/javascript"> var tx = document.getElementById("tx"), pwd = document.getElementById("pwd"); tx.onfocus = function(){ if(this.value != "密码") return; this.style.display = "none"; pwd.style.display = ""; pwd.value = ""; pwd.focus(); } pwd.onblur = function(){ if(this.value != "") return; this.style.display = "none"; tx.style.display = ""; tx.value = "密码"; } </script> </body> </html>
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标签:  input type属性