Simple Map
by Matthew Day
HTML
<div id="output"></div>
JavaScript
var output = document.getElementById('output');
var arr1 = [1, 2, 3, 4, 5, 6, 7, 8, 9];
var map1 = arr1.map(function(number) {
return number * 3;
});
console.log(map1);
output.innerHTML = map1;
// SOURCES
// MDN Documentation
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/map?v=control
// Blog post by Sacha Greif
// https://www.discovermeteor.com/blog/understanding-javascript-map/