javascript: sort array of objects

gistfile1.txt

// example, we want to sort list of objects based on an object's attribute. ex: "age"
var peopleList = [{"name": "Laura", "age":5}, {"name": "Peppa", "age": 40}, {"name": "Josh", "age":22}];
var comparision = function(a, b) { return a.age > b.age ? 1 : -1; };