how to add hours and minutes from date in javascript code example

Example 1: javascript add minutes to date

//add 30 minutes to date
var minutesToAdd=30;
var currentDate = new Date();
var futureDate = new Date(currentDate.getTime() + minutesToAdd*60000);

Example 2: date add hours javascript

Date.prototype.addHours = function(h) {
  this.setTime(this.getTime() + (h*60*60*1000));
  return this;
}