JSFiddle - React, Tailwind, and code Playground

by dhruv1992

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<input type="text" id="dateofbirth">.

JavaScript

$("#dateofbirth").on('keyup',function(event){
    console.log('hey')
    var key = event.keyCode || event.charCode;
    if (key == 8 || key == 46) return false;
    var strokes = $(this).val().length;
    console.log(strokes)
    if(strokes === 2 || strokes === 5){
        var thisVal = $(this).val();
        thisVal += '/';
        $(this).val(thisVal);
    }
});