// Projection refers to the process of applying a function to a value and creating a new value
// For each video, add a projected {id, title} pair to the videoAndTitlePairs array.
var movieIdAndTitle = function projectionArray() {
var newReleases = [
{
"id": 70111470,
"title": "Die Hard",
"boxart": "http://cdn-0.nflximg.com/images/2891/DieHard.jpg",
"uri": "http://api.netflix.com/catalog/titles/movies/70111470",
"rating": [4.0],
"bookmark": []
},
{
"id": 654356453,
"title": "Bad Boys",
"boxart": "http://cdn-0.nflximg.com/images/2891/BadBoys.jpg",
"uri": "http://api.netflix.com/catalog/titles/movies/70111470",
"rating": [5.0],
"bookmark": [{ id:432534, time:65876586 }]
},
{
"id": 65432445,
"title": "The Chamber",
"boxart": "http://cdn-0.nflximg.com/images/2891/TheChamber.jpg",
"uri": "http://api.netflix.com/catalog/titles/movies/70111470",
"rating": [4.0],
"bookmark": []
},
{
"id": 675465,
"title": "Fracture",
"boxart": "http://cdn-0.nflximg.com/images/2891/Fracture.jpg",
"uri": "http://api.netflix.com/catalog/titles/movies/70111470",
"rating": [5.0],
"bookmark": [{
id:432534,
time:65876586
}]
}
],
videoAndTitlePairs = []; // accumulator
newReleases.forEach(function(video) {
videoAndTitlePairs.push({
id: video.id,
title: video.title
});
});
return videoAndTitlePairs;
};
console.log(movieIdAndTitle());
// ------------ INSERT CODE HERE! -----------------------------------
// Use forEach function to accumulate {id, title} pairs from each video.
// Put the results into the videoAndTitlePairs array using the Array's
// push() method. Example: videoAndTitlePairs.push(newItem);
// ------------ INSERT CODE HERE! -----------------------------------
// implement map()
Array.prototype.map = function(projectionFunction) {
var results = [];
this.forEach(function(itemInArray) {
results.push(projectionFunction(itemInArray));
});
return results;
};
