Add current date using javascript

Add current date using javascript

<span id="current_date"></span>

const month = ["January","February","March","April","May","June","July","August","September","October","November","December"];
const d = new Date();
let name = month[d.getMonth()];
year = d.getFullYear();
mnth = d.getMonth() + 1;
day = d.getDate() + 3;
document.getElementById("current_date").innerHTML = name + ", " + day + " " + year;