Tuesday, 26 June 2012
Friday, 8 June 2012
javascript for enter numeric or character value
Enter only Numeric Value
function validate(evt) {
var theEvent = evt || window.event;
var key = theEvent.keyCode || theEvent.which;
key = String.fromCharCode( key );
var regex = /[0-9]|\./;
if( !regex.test(key) ) {
theEvent.returnValue = false;
if(theEvent.preventDefault) theEvent.preventDefault();
}
}
enter only char value
function checkchar()
{
if ((event.keyCode > 64 && event.keyCode < 91) || (event.keyCode > 96 && event.keyCode < 123) || event.keyCode == 8)
return true;
else
{
alert("Please enter only char");
return false;
}
}
<script type="text/javascript">
function f(){
var el=document.getElementById('bang');
var re=/^[A-z]+$/;
if(!re.test(el.value) ) { alert("please enter char only"); }
}
</script>
</head>
<body>
<input type="text" id="bang" onkeyup="f()">
function validate(evt) {
var theEvent = evt || window.event;
var key = theEvent.keyCode || theEvent.which;
key = String.fromCharCode( key );
var regex = /[0-9]|\./;
if( !regex.test(key) ) {
theEvent.returnValue = false;
if(theEvent.preventDefault) theEvent.preventDefault();
}
}
enter only char value
function checkchar()
{
if ((event.keyCode > 64 && event.keyCode < 91) || (event.keyCode > 96 && event.keyCode < 123) || event.keyCode == 8)
return true;
else
{
alert("Please enter only char");
return false;
}
}
<script type="text/javascript">
function f(){
var el=document.getElementById('bang');
var re=/^[A-z]+$/;
if(!re.test(el.value) ) { alert("please enter char only"); }
}
</script>
</head>
<body>
<input type="text" id="bang" onkeyup="f()">
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