Did you use the `parseInt()` method to extract the number from the `width` variable?

Question

How do I used 'parselnt()' for this variable to define width?

app.js

var width = '190px';
var numOfDivs = 10;
var totalWidth = 'parselnt(width * numofDivs)';

index.html

<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
</head>
<body>
<script src="app.js"></script>
</body>
</html>

Answer 1 · 2015-11-12T20:14:18Z

November 12, 2015 8:14pm

First of all, 'parselnt(width * numofDivs)' is a string literally containing parselnt(width * numofDivs). In order to use it as an executable function, remove the quotes.

Here's an explanation of why Roy Penrod's answer works and yours doesn't

In your example,

parseInt(width*numOfDivs)

will try to multiply width and numOfDivs, which is a string and an integer respectively. Now, you can't multiply a string and an Integer (well, python can, but that's a different story altogether).

In Roy's example,

parseInt(width)*numOfDivs

will first convert width to an Integer using the parseInt() method. Now that parseInt(width) is an integer, it can be easily multiplied with another integer to give the correct result.

Answer 2 · 2015-11-12T20:05:57Z

November 12, 2015 8:05pm

You were close to getting it. Here's the code the challenge is asking you to add below the other code:

var totalWidth = parseInt(width) * numOfDivs;

Note: I verified the code passed the challenge.

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Calvin Secrest

Calvin Secrest

Did you use the `parseInt()` method to extract the number from the `width` variable?

2 Answers

Robin Malhotra

Robin Malhotra

Roy Penrod

Roy Penrod

Roy Penrod

Roy Penrod

Robin Malhotra

Robin Malhotra