68 lines
1.2 KiB
Markdown
68 lines
1.2 KiB
Markdown
---
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id: cf1111c1c11feddfaeb3bdef
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title: Add Two Numbers with JavaScript
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challengeType: 1
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---
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## Description
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<section id='description'>
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<code>Number</code> is a data type in JavaScript which represents numeric data.
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Now let's try to add two numbers using JavaScript.
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JavaScript uses the <code>+</code> symbol as addition operation when placed between two numbers.
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<strong>Example</strong>
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<blockquote>myVar = 5 + 10; // assigned 15</blockquote>
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</section>
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## Instructions
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<section id='instructions'>
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Change the <code>0</code> so that sum will equal <code>20</code>.
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</section>
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## Tests
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<section id='tests'>
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```yml
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tests:
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- text: <code>sum</code> should equal <code>20</code>
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testString: 'assert(sum === 20, "<code>sum</code> should equal <code>20</code>");'
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- text: Use the <code>+</code> operator
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testString: 'assert(/\+/.test(code), "Use the <code>+</code> operator");'
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```
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</section>
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## Challenge Seed
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<section id='challengeSeed'>
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<div id='js-seed'>
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```js
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var sum = 10 + 0;
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```
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</div>
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### After Test
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<div id='js-teardown'>
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```js
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console.info('after the test');
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```
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</div>
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</section>
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## Solution
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<section id='solution'>
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```js
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var sum = 10 + 10;
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```
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</section>
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