Question 108776 in Javascript Question posted in
A very good W3school tutorial can be found here.

How to sort by date in a multidimensional array in javascript?

I have a JavaScript multidimensional array:

var people = [
    { id: 1, name: "Hannah", birthdate: "04/16/2002" },
    { id: 2, name: "Sofia",  birthdate: "03/18/2012" },
    { id: 3, name: "Robert", birthdate: "12/22/1997" },
];

How can I sort them by their birthday date?

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2

Answers


  1. 0

    you sort a birthday date value like:

    people.sort(function(a, b) {
  var dateA = new Date(a.birthdate);
  var dateB = new Date(b.birthdate);
  return dateA - dateB;
});
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  2. 0

    Using array sort method

    DOCS HERE

    var people = [
    { id: 1, name: "Hannah", birthdate: "04/16/2002"},
    { id: 2, name:"Sofia", birthdate: "03/18/2012" },
    { id: 3, name:"Robert", birthdate: "12/22/1997" },
  { id: 4, name:"Robert", birthdate: "12/22/2005" },
  { id: 5, name:"Robert", birthdate: "12/22/2015" },
];

const res = people.sort((a,b)=> new Date(a.birthdate) - new Date(b.birthdate));

console.log(res)
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