Javascript:- Functions to accept only numbers and only decimal value in textbox

Find below example for accept only numbers in Textbox


Integer

View Code

$('.number').keydown(function(e) {     if (e.shiftKey || e.ctrlKey || e.altKey) {         e.preventDefault();     } else {         var key = e.keyCode;         if (!((key == 8) || (key == 46) || (key >= 35 && key <= 40) || (key >= 48 && key <= 57) ||                    (key >= 96 && key <= 105))) {             e.preventDefault();         }     } });

Find below example for accept only numbers in Textbox

Decimal

View Code

 $('.float').keypress(function(event) {

     return isNumber(event, this)

 });
 function isNumber(evt, element) {

    var charCode = (evt.which) ? evt.which : event.keyCode

    if (
        (charCode != 45 || $(element).val().indexOf('-') != -1) && // “-” CHECK MINUS, AND ONLY ONE.
        (charCode != 46 || $(element).val().indexOf('.') != -1) && // “.” CHECK DOT, AND ONLY ONE.
        (charCode < 48 || charCode > 57) && charCode != 8) {
        return false;
    } else {
        if (charCode == 45) {
            return false;
        }
        return true;
    }
 }