eggheadio-projects/understand-javascript-arrays: null

.DS_Store

# understand-javascript-arrays

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Plunker</title>
</head>
<body>
	<script src="script.js"></script>
</body>
</html>

// Array.prototype.reduce

const users = [
    {
        id: '01',
        name: 'Shane'
    },
    {
        id: '02',
        name: 'Sally'
    }
];

const newUsers = users.reduce((obj, user) => {
    obj[user.id] = user;
    return obj;
}, {});

console.log(newUsers['02'].name) || displayInPreview(newUsers['02'].name);




// display in plunker preview
function displayInPreview(string) {
  var newDiv = document.createElement("div"); 
  var newContent = document.createTextNode(string); 
  newDiv.appendChild(newContent);
  document.body.appendChild(newDiv)
}