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<!DOCTYPE html>
<html>
<body>
​
<p>Click the button to get a new array with the full name of each person in the array.</p>
<button onclick="myFunction()">Try it</button>
​
<p>New array: <span id="demo"></span></p>
​
<script>
var persons = [
  {firstname : "Malcom", lastname: "Reynolds"},
  {firstname : "Kaylee", lastname: "Frye"},
  {firstname : "Jayne", lastname: "Cobb"}
];
​
​
function getFullName(item) {
  var fullname = [item.firstname,item.lastname].join(" ");
  return fullname;
}
​
function myFunction() {
  document.getElementById("demo").innerHTML = persons.map(getFullName);
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_map3 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 14:01:57 GMT -->
</html>
​
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