Correct way to check if object is null or Empty

by kaleeswaran

JavaScript

$(document).ready(function () {
    function UpdateHTML() 
    {
        var a = "";
        
        if (a) 
        {
            console.log("Not Null");
        } 
        else  {
            console.log("Null");
        }
            
    }
    
    UpdateHTML();   
});