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59.html
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59.html
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<html>
<head>
<script>
// validation in jvascript
function valid()
{
var a = document.myform.t1.value;
var r = /^[A-Za-z] + $/;
if(a.match(r))
{
alert("Value okay");
return true;
}
else
{
alert("Value not okay");
return false;
}
// if (a == " ")
// {
// alert("Enter value in text box");
// }
// else if(isNaN(a)) // NaN = not a number
// {
// alert("Enter number only");
// }
// else if (a.length == 10)
// {
// alert("Number okay");
// }
// else
// {
// alert("Enter 10 digit only");
// }
}
</script>
</head>
<body>
<form name="myform">
<input type="text" name= "t1">
<button onclick="valid();"> click </button>
</form>
</body>
</html>