<script language="javascript">
function textCounter(content) {
if (content.length > 1000) document.zb.Content.value=document.zb.Content.value.substring(0, 1000);
}
</script>
<textarea name="Content" cols="50" rows="10" onPropertyChange="textCounter(form1.content.value)"></textarea>
<
function textCounter(content) {
if (content.length > 1000) document.zb.Content.value=document.zb.Content.value.substring(0, 1000);
}
</script>
<textarea name="Content" cols="50" rows="10" onPropertyChange="textCounter(form1.content.value)"></textarea>
<
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<html>
<head>
</head>
<script type="text/javascript">
function validate(obj)
{
if(obj.value.length >= 10)
{
alert("you can olny input less than 1000 characters!");
event.returnValue=false;
}
}
</script>
<body>
<textarea id="xxxid" name="xxxname" rows="5" cols="60" onkeydown="validate(this);">
</textarea>
</body>
</html>
<head>
</head>
<script type="text/javascript">
function validate(obj)
{
if(obj.value.length >= 10)
{
obj.setAttribute('disabled', 'disabled');
//alert("you can olny input less than 1000 characters!");
}
}
</script>
<body>
<textarea id="xxxid" name="xxxname" rows="5" cols="60" onkeyup="validate(this);">
</textarea>
</body>
</html>
<html>
<head>
</head>
<script type="text/javascript">
function validate(obj)
{
if(obj.value.length >= 100)
{
obj.setAttribute('disabled', 'disabled');
//alert("you can olny input less than 100 characters!");
}
}
</script>
<body>
<textarea id="xxxid" name="xxxname" rows="5" cols="60" onkeypress="validate(this);">
</textarea>
</body>
</html>;)
<head>
</head>
<script type="text/javascript">
/**
*checkMaxLength.
*JK 2006-11-26
*/
function checkMaxLength(textareaObj,maxLength)
{
if(maxLength == null) maxLength=textareaObj.getAttribute("maxLength");
if(maxLength == null) maxLength=1024;
var currentLength = textareaObj.value.length;
if (currentLength > maxLength) {
alert("The length of your input ("+currentLength+") is larger than the maxLength ("+maxLength+") .");
if(textareaObj.createTextRange){
var textRange=textareaObj.createTextRange();
var enterMatch=textareaObj.value.substr(0,maxLength).match(/\n/ig);
var enterNum=0;
if(enterMatch) enterNum=enterMatch.length
textRange.moveStart('character',maxLength-enterNum);
textRange.select();
}
else textareaObj.select();
textareaObj.focus();
return false;
}
return true;
}</script>
<body>
<textarea id="xxxid" name="xxxname" rows="5" cols="60" onblur="checkMaxLength(this);" maxLength=100 >
</textarea>
</body>
</html>
maxLen = 1000;
function checkMaxInput(form){
if (form.message.value.length > maxLen){
form.message.value = form.message.value.substring(0, maxLen);
} else {
form.remLen.value = maxLen - form.message.value.length;
}
}
</script>
<textarea name=message wrap=physical cols=28 rows=8 onKeyDown="checkMaxInput(this.form)"></textarea>兄弟 我想我这个是比较简单的吧
<script Language="JavaScript">
maxLen = 1000;
function checkMaxInput(form){
if (form.message.value.length > maxLen){
form.message.value = form.message.value.substring(0, maxLen);
}
</script>
<textarea name=message wrap=physical cols=28 rows=8 onKeyDown="checkMaxInput(this.form)"></textarea>就行了 特别简单
<head>
</head>
<script type="text/javascript">
function validate(obj)
{
if(obj.value.length >= 10)
{
alert("you can olny input less than 1000 characters!");
event.returnValue=false;
}
}
</script>
<body>
<textarea id="xxxid" name="xxxname" rows="5" cols="60" onkeydown="validate(this);">
</textarea>
</body>
</html>比较方便``效率也高`
<head>
</head>
<script type="text/javascript">
function validateTextCounter(obj,maxlimit)
{
var maxlimit = 10;
if (obj.value.length > maxlimit)
{
// alert("最多只能输入10个字符");
obj.value = obj.value.substring(0,maxlimit);
}
}
</script>
<body>
<textarea id="xxxid" name="xxxname" rows="5" cols="60"
onkeyup="validateTextCounter(this);" onchange="validateTextCounter(this);"></textarea>
</body>
</html>就用的这个,粘贴内容进去也一样可以验证,蛮好用的。本来onPropertyChange是最好用的,但FF里面不支持,就没用了