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georg
georg
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I added a few more dates as proof.

let data = ["2018-1", "2018-5", "2018-11", "2018-2", "2018-10", "2018-12", "2017-5", "2019-12"];

var result = data.sort((a, b) => {
  var n1 = a.split("-");
  var n2 = b.split("-");
  n1 = parseInt(n1[0]) * 100 + parseInt(n1[1]);
  n2 = parseInt(n2[0]) * 100 + parseInt(n2[1]);
  return n1 <- n2;
})

console.log(result);

I added a few more dates as proof.

let data = ["2018-1", "2018-5", "2018-11", "2018-2", "2018-10", "2018-12", "2017-5", "2019-12"];

var result = data.sort((a, b) => {
  var n1 = a.split("-");
  var n2 = b.split("-");
  n1 = parseInt(n1[0]) * 100 + parseInt(n1[1]);
  n2 = parseInt(n2[0]) * 100 + parseInt(n2[1]);
  return n1 < n2;
})

console.log(result);

I added a few more dates as proof.

let data = ["2018-1", "2018-5", "2018-11", "2018-2", "2018-10", "2018-12", "2017-5", "2019-12"];

var result = data.sort((a, b) => {
  var n1 = a.split("-");
  var n2 = b.split("-");
  n1 = parseInt(n1[0]) * 100 + parseInt(n1[1]);
  n2 = parseInt(n2[0]) * 100 + parseInt(n2[1]);
  return n1 - n2;
})

console.log(result);

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Sebastian Speitel
Sebastian Speitel
  • 7.3k
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I added a few more dates as proof.

let data = ["2018-1", "2018-5", "2018-11", "2018-2", "2018-10", "2018-12", "2017-5", "2019-12"];

var result = data.sort((a, b) => {
  var n1 = a.split("-");
  var n2 = b.split("-");
  n1 = parseInt(n1[0]) * 100 + parseInt(n1[1]);
  n2 = parseInt(n2[0]) * 100 + parseInt(n2[1]);
  return n1 < n2;
})

console.log(result);