<script language=javascript>
function ck()
{
if (form1.t1.value='123456789') {alert('请勿灌水');return false;}
else if (form1.t1.value.indexOf('操')!=-1) {alert('请勿输入不文明用语');return false;}
return true;
}
</script><form ... name=form1 onsubmit="return ck();">
<input type=text name=t1>
<input type=button value="锁定" onclick="t1.disabled=true;">
<input type=button value="解锁" onclick="t1.disabled=false;">
....
</form>
function ck()
{
if (form1.t1.value='123456789') {alert('请勿灌水');return false;}
else if (form1.t1.value.indexOf('操')!=-1) {alert('请勿输入不文明用语');return false;}
return true;
}
</script><form ... name=form1 onsubmit="return ck();">
<input type=text name=t1>
<input type=button value="锁定" onclick="t1.disabled=true;">
<input type=button value="解锁" onclick="t1.disabled=false;">
....
</form>
不允许输入内容
function aa(){
var a,b
a=document.form1.text1.value
b=document.form1.text2.vlaue
if (a=="administrator"){
if(b=1234567){
document.write("数据确实如此")
}
else{
document.write("数据错误")
}
}//你若要所定第一个(TEXT1)而不能输入字符的话如下
function bb(){
if document.form1.text1.focus(){
document.form1.text2.focus()
}
</script>
<body>
<form name="form1" method="post" action="">
<p>
<input type="text" name="text1">
</p>
<p>
<input type="text" name="text2">
</p>
<p>
<input type="submit" name="Submit" value="提交" onClick="aa()">
</p>
</form>
</body>
<script>
function aa(){
var a,b
a=document.form1.text1.value
b=document.form1.text2.vlaue
if (a=="administrator"){
if(b=1234567){
document.write("数据确实如此")
}
else{
document.write("数据错误")
}
}//你若要所定第一个(TEXT1)而不能输入字符的话如下
function bb(){
if document.form1.text1.focus(){
document.form1.text2.focus()
}
</script>
<body>
<form name="form1" method="post" action="">
<p>
<input type="text" name="text1" onfocus=bb()>
</p>
<p>
<input type="text" name="text2">
</p>
<p>
<input type="submit" name="Submit" value="提交" onClick="aa()">
</p>
</form>
</body>
document.form1.text1.value="aaaaaaaa"
function bb(){
if (document.form1.text1.focus()){
(document.form1.text2.focus())
}
<input name=test readonly>