JavaScript 弹出输入框 prompt
时间：2010-06-29 来源：humanux
<html xmlns="http://www.w3.org/1999/xhtml">
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<head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>JavaScript 弹出输入框 prompt</title> </head> <script language="javascript" type="text/javascript"> function addnew() { var ret = prompt("请输入内容！",""); if (ret == null) { return false; } else if (ret.replace(/^\s+|\s+$/g,"") == "") { alert("输入内容为空！"); return false; } document.getElementById("TextBox1").value=ret; } </script> <body> <input type="text" name="TextBox1" id="TextBox1" /> <input type="button" value="add" onclick="addnew()"/> </body> </html> |
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