Updated on Kisan Patel
This post will show you how to restrict the user to allow only numbers in input textbox using javascript.
script.js
function isNumber(evt) {
evt = (evt) ? evt : window.event;
var charCode = (evt.which) ? evt.which : evt.keyCode;
if (charCode > 31 && (charCode < 48 || charCode > 57)) {
return false;
}
return true;
}
index.html
Enter Number: <input type="text" class="groupOfTexbox" onkeypress = "return isNumber(event)"/>
the output of the above example…
See the Pen jbGooo by Kisan (@pka246) on CodePen.