How Can I get next 6th date every time using javascript & jquery

Question

function sixthDate() {
  var curr = new Date(); // get current date
  curr.setDate(curr.getDate() + 6);
  return curr;
}
console.log(sixthDate());

It is just showing me same 6th date every time! But I want the next 6th date everytime I call ( like : 18 june 2020 + 6 = 24 june 2020 , 24 june + 6 = 30 june ).

I'm new in JavaScript can you help me to find out this problem via moment.js or JavaScript — , Jun 17 '20 at 19:36
Your function works for me in Chrome. I see `"2020-06-23T19:36:56.858Z"` — j08691, Jun 17 '20 at 19:37
It shows the same day because you always *start* counting from the same day (today). — trincot, Jun 17 '20 at 19:38
@sumanbiswas Your normal function won't be remembering the value of variables after the last call. For what you are expecting, you would have to use function closure. — Abhishek Bhagate, Jun 17 '20 at 19:49

Abhishek Bhagate · Accepted Answer · 2020-06-17T20:33:56.937

You are probably looking for a function closure here. Using this, you will be able to store the date that you initially called the function and then each time you call it again, it will print the 6th date after the last printed 6th date.

function sixthDate() {
  var curr = new Date(); // get current date
  curr.setDate(curr.getDate() + 6);
  return curr;
}

console.log("Normal function - ");
//prints same 6th dates everytime
console.log(sixthDate().toDateString());
console.log(sixthDate().toDateString());

const getNewSixthDate = function() {
  var curr = new Date;
  return function() {
    curr.setDate(curr.getDate() + 6);
    // returning a copy and not the reference
    // so that curr doesn't get modified outside function
    return new Date(curr);
  }
}();


console.log("\nUsing Function Closures -");
// prints the 6th date, stores it
// and then prints the 6th date after that next time
// This process will repeat everytime
console.log(getNewSixthDate().toDateString());
console.log(getNewSixthDate().toDateString());
console.log(getNewSixthDate().toDateString());

Hope this helps !

@RobG Yea, right! Thanks for suggesting that, made the edit. — Abhishek Bhagate, Jun 17 '20 at 20:34

How Can I get next 6th date every time using javascript & jquery

1 Answers1