日期:2014-05-16 浏览次数:20494 次
<html>
<body>
<script type="text/javascript">
function del(){
var str = document.content.text1.value;
str=str.replace(document.content.text1.value,"");
document.content.text1.value=str;
}
</script>
<form name="content" method="post" action="">
<input name = "compare" type = "button" value = "compare" onclick = "del()"/>
<input name = "text1" type = "text" size = "10" value = "enter"/>
</body>
</html>
------解决方案--------------------
<!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=gb2312" />
<title>无标题文档</title>
</head>
<body>
<script type="text/javascript">
function deleteValue(){
document.getElementById("text1").value = "";
}
</script>
<form name="content" method="post" action="">
<input name = "compare" type = "button" value = "compare" onclick = "deleteValue()"/>
<input name = "text1" type = "text" size = "10" value = "enter" id="text1"/>
</body>
</html>
delete是保留字,不能用做函数名的