JSFiddle - React, Tailwind, and code Playground

HTML

<input type="hidden" id='enterTime' value='1'/>
<input type="button" onclick="timeCheck()" value="Submit"></input>

JavaScript

function timeCheck(){
        var time = parseInt($.trim($('#enterTime').val()),10);
            Number.prototype.between = function(min,max){
                var num = parseInt(this,10);
                 
                return num >= min && num <= max;
            }
                if((time).between(1,9)){
                    alert("test");
                }
}