Javascript remove duplicates from array #javascript #array

array_duplicates.js

var data = [
	{
		name: 'Kyle',
		occupation: 'Fashion Designer'
	},
	{
		name: 'Liza',
		occupation: 'Web Developer'
	},
	{
		name: 'Emily',
		occupation: 'Web Designer'
	},
	{
		name: 'Melissa',
		occupation: 'Fashion Designer'
	},
	{
		name: 'Tom',
		occupation: 'Web Developer'
	}
];

// Array Map
var jobs = data.map(function (item) {
	return item.occupation;
});

// Logs ["Fashion Designer", "Web Developer", "Web Designer", "Fashion Designer", "Web Developer"]
console.log(jobs);

// Array Filter
var jobsUnique = jobs.filter(function(item, index){
	return jobs.indexOf(item) >= index;
});

// Logs ["Fashion Designer", "Web Developer", "Web Designer"]
console.log(jobsUnique);