我写了这段代码来测试js,结果发现老报错.不知原因.请大家帮忙.高分送上<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
show(){
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
</HEAD><BODY>
<INPUT TYPE="text" Id="username" NAME="username" onkeyup="show();">
<div id='showmsg'></div>
</BODY>
</HTML>
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
show(){
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
</HEAD><BODY>
<INPUT TYPE="text" Id="username" NAME="username" onkeyup="show();">
<div id='showmsg'></div>
</BODY>
</HTML>
show(){
…
} 应改为function show(){
…
}
你不定义对象,KEYUP事件找谁去执行呢?呵呵
var i = function() {
...
}
我也来接分
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show(){
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
</HEAD> <BODY>
<INPUT TYPE="text" Id="username" NAME="username" onkeyup="show();">
<div id='showmsg'> </div>
</BODY>
</HTML>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show(){
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show()
{
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
</HEAD> <BODY>
<INPUT TYPE="text" Id="username" NAME="username" onkeyup="show();">
<div id='showmsg'> </div>
</BODY>
</HTML>
少了function!
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
show=function(){
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
</HEAD><BODY>
<INPUT TYPE="text" Id="username" NAME="username" onkeyup="show();">
<div id='showmsg'> </div>
</BODY>
</HTML>
<HTML>
<HEAD>
<TITLE>New Document</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show(){
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<INPUT TYPE="text" Id="username" NAME="username" onkeyup="show();">
<div id='showmsg'></div>
</BODY>
</HTML>
……
}
看来不能忽略基础啊 !!!
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>New Document</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function show(){
document.getElementById("showmsg").innerHTML=document.getElementById("username").value;
}
//-->
</SCRIPT>
</HEAD>
<BODY>
<INPUT TYPE="text" Id="username" NAME="username" onkeyup="show();">
<div id='showmsg'></div>
</BODY>
</HTML>