<script language="javascript">
function myFun(){
var str="Hello Word!";
document.getElementById("txt").value=str;
}
</script>
</HEAD><BODY>
<input type=text name=txt>
<input type=button name=but value=Getvalue onClick=myFun()>
</BODY>
function myFun(){
var str="Hello Word!";
document.getElementById("txt").value=str;
}
</script>
</HEAD><BODY>
<input type=text name=txt>
<input type=button name=but value=Getvalue onClick=myFun()>
</BODY>
function press()
{
var1=1;
document.all.text1.value=var1;
}
</script>
<body>
<input name="text1" type="text" size="12 " />
<input name="button1" type="button" onmousedown="return press()" value="请按我!" />
不是很理解,你到底要什么效果?请描述一下!!!