Numeric Validation in Javascript


 Numeric Validation Method  
function onlyNumbers(evt)

{

    var e = event || evt; // for trans-browser compatibility

    var charCode = e.which || e.keyCode;



    if (charCode > 31 && (charCode < 48 || charCode > 57))

        return false;



    return true;



}

 Character Validation Method  
function onlyAlpha()

 {

   var keyCode = window.event.keyCode;

    if ((keyCode < 65 || keyCode > 90) && 

    (keyCode < 97 || keyCode > 123) && keyCode != 32)

       return false;



     return true;

 }

*Output**

Allow Only Numbers Accept only Number :

Accept only Character :

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