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JavaScript JavaScript Foundations Objects Call and Apply

Posted by Lucas de Oliveira Neves
Lucas de Oliveira Neves
12,003 Points

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
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

Lucas de Oliveira Neves
Lucas de Oliveira Neves
12,003 Points

Thanks. =]