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JavaScript JavaScript Foundations Objects Call and Apply

greeting

guys, caught in this exercise. could someone explain how it works?

index.html
<!DOCTYPE html>
<html lang="en">
  <head>
    <title> JavaScript Foundations: Objects</title>
    <style>
      html {
        background: #FAFAFA;
        font-family: sans-serif;
      }
    </style>
  </head>
  <body>
    <h1>JavaScript Foundations</h1>
    <h2>Objects: Call and Apply</h2>
    <script>
      var genericGreet = function(name, mood) {
        name = name || "you";
        mood = mood || "good";
        return "Hello " + name + ", my name is " + this.name +
          " and I am in a " + mood + " mood!";
      }

      var andrew = {
        name: "Andrew"
      }

      var args1 = ["Michael", "awesome", ":)"];

      var greeting = genericGreet;
    </script>
  </body>
</html>

1 Answer

Kelly von Borstel
Kelly von Borstel
28,880 Points

This is what they're looking for:

var greeting = genericGreet.apply(andrew, args1);

There is a good explanation about this problem here: https://teamtreehouse.com/forum/trouble-with-call-and-apply-challenge-question

Thanks. =]