var collection = ['John', 'Petteri', 'Antti', 'Joonas', 'Zhentian'];

var sorted = _.sortBy(collection);

//[ 'Antti', 'John', 'Joonas', 'Petteri', 'Zhentian' ]

var collection = ['John', 'Petteri', 'Antti', 'Joonas', 'Zhentian'];

var sorted = _.sortBy(collection).reverse();

//[ 'Zhentian', 'Petteri', 'Joonas', 'John', 'Antti' ]

var collection = [

    {age: 90, name: "Zach"},

    {age: 33,name: "Beth"},

    {age: 8,name: "Yolanda"},

    {age: 57,name: "Chris"},

    {age: 80,name: "Abe"}

];

var sorted = _.sortBy(collection, "age");

/*

[ { age: 8, name: 'Yolanda' },

  { age: 33, name: 'Beth' },

  { age: 57, name: 'Chris' },

  { age: 80, name: 'Abe' },

  { age: 90, name: 'Zach' } ]

*/

var collection = [

    {age: 90, name: "Zach"},

    {age: 33,name: "Beth"},

    {age: 8,name: "Yolanda"},

    {age: 57,name: "Chris"},

    {age: 80,name: "Abe"}

];

var newGuy = {age: 26, name: "Wan"};

var sortedCollection = _.sortBy(collection, "age");

console.log(sortedCollection);

//Want to insert an new guy, first find his a position in the array

var index = _.sortedIndex(sortedCollection, newGuy, "age");

console.log(index);  //

//insert into the array.

sortedCollection.splice(index, 0, newGuy);

/*

[ { age: 8, name: 'Yolanda' },

  { age: 26, name: 'Wan' },

  { age: 33, name: 'Beth' },

  { age: 57, name: 'Chris' },

  { age: 80, name: 'Abe' },

  { age: 90, name: 'Zach' } ]

*/