implementing singleton in a simple way in JS

singleton

{
    let Singleton = (function(){
        let instance;
        let createInstance = ()=>{
            let obj = {name: new Date()}
            return obj;
        }

        return {
            getInstance : () => {
                if(!instance){
                instance = createInstance();
                }
                return instance
            }
        }
    })()
    Singleton.getInstance()
   
    
}