JSFiddle - React, Tailwind, and code Playground

HTML

<input class="numeric" type="textbox"/>

JavaScript

$(function (){
    
    $("input.numeric").keypress(function(e) {                   
                var key = e.charCode || e.keyCode || 0;                     
                var keychar = String.fromCharCode(key);
                if (  ((key == 8 || key == 9 || key == 46 || key == 35 || key == 36 || (key >= 37 && key <= 40)) && e.charCode==0)
                        || (key >= 48 && key <= 57) ) {
                    if($(this).val().length < 2) {
                        return;
                    } else {
                         e.preventDefault();
                    }
                    
                } else {
                    e.preventDefault();
                }
    });
    
});