Question

How do I sort this array?

[
  {id : 1, start : 60, end : 120},
  {id : 2, start : 100, end : 240},
  {id : 3, start : 700, end : 720}
]

UPDATE:
So if my array looks like this, can I sort it based on start value?

[{
  1:{start : 60, end : 120},
  2:{start : 100, end : 240},
  3:{start : 700, end : 720}
}]

Answer 1

What you have there is an array of objects. You must specify how you want to sort it.

Anyway, you can use the sort method:

var data = [{id : 1, start : 60, end : 120}, {id : 2, start : 100, end : 240},{id : 3, start : 700, end : 720}];

function sortByStart(a, b){
  return a.start - b.start;
}

data.sort(sortByStart);