freeCodeCamp/curriculum/challenges/english/02-javascript-algorithms-and-data-structures/basic-javascript/subtract-one-number-from-another-with-javascript.english.md

id, title, challengeType

id	title	challengeType
cf1111c1c11feddfaeb4bdef	Subtract One Number from Another with JavaScript	1

Description

We can also subtract one number from another. JavaScript uses the - symbol for subtraction.

Example

myVar = 12 - 6; // assigned 6

Instructions

Change the 0 so the difference is 12.

Tests

tests:
  - text: Make the variable <code>difference</code> equal 12.
    testString: 'assert(difference === 12, "Make the variable <code>difference</code> equal 12.");'
  - text: Only subtract one number from 45.
    testString: 'assert(/var\s*difference\s*=\s*45\s*-\s*[0-9]*;(?!\s*[a-zA-Z0-9]+)/.test(code),"Only subtract one number from 45.");'

Challenge Seed

var difference = 45 - 0;

After Test

console.info('after the test');

Solution

var difference = 45 - 33;