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JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Useful Array Methods

Simon Tanner
Simon Tanner
5,776 Points
Posted by Simon Tanner
Simon Tanner
5,776 Points

undefined

Hi, please could you explain why my code logs as undefined and what I need to do to fix it. Thanks!

var fruit = ['apple', 'orange', 'pear'];

var position = function(fruitKind) { 
fruit.indexOf(fruitKind);
};

console.log(position('apple'));

2 Answers

Justin Iezzi
Justin Iezzi
18,199 Points

Hey Simon,

In order to receive a value from your function call, you'll need a return statement. Since you want to return the index of your specified array element, all you need to do is return fruit.indexOf(fruitKind)

Check it out -

var fruit = ['apple', 'orange', 'pear'];

var position = function(fruitKind) { 
    return fruit.indexOf(fruitKind);
};

console.log(position('apple'));

Hope this helps!

Simon Tanner
Simon Tanner
5,776 Points
Simon Tanner
Simon Tanner
5,776 Points

Oh yes. Great, thanks a lot!