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