randomIntWithLengthInRange
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snippets/randomIntWithLengthInRange.md
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23
snippets/randomIntWithLengthInRange.md
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### randomIntWithLengthInRange
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Returns a random integer in the specified range and length.
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Use `Array.from()` to create an empty array of the specific length. `Math.random()` to generate a random number and map it to the desired range, using `Math.floor()` to make it an integer.
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```js
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const randomIntWithLengthInRange = (len, min, max) =>
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Array.from({ length: len }, () =>
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Math.floor(Math.random() * (max - min) + min)
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);
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```
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<details>
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<summary>Examples</summary>
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```js
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randomIntWithLengthInRange(10, 12, 35); // [ 14, 20, 12, 29, 23, 16, 26, 22, 15, 24 ]
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```
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</details>
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<br>[⬆ Back to top](#table-of-contents)
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@ -140,6 +140,7 @@ pullAtIndex:array
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pullAtValue:array
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randomHexColorCode:utility,random
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randomIntegerInRange:math,utility,random
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randomIntWithLengthInRange:math,utility,random
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randomNumberInRange:math,utility,random
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readFileLines:node,array,string
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redirect:browser,url
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module.exports = randomIntWithLengthInRange = (len, min, max) =>
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Array.from({ length: len }, () =>
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Math.floor(Math.random() * (max - min) + min)
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);
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const test = require('tape');
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const randomIntWithLengthInRange = require('./randomIntWithLengthInRange.js');
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test('Testing randomIntWithLengthInRange', (t) => {
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//For more information on all the methods supported by tape
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//Please go to https://github.com/substack/tape
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t.true(typeof randomIntWithLengthInRange === 'function', 'randomIntWithLengthInRange is a Function');
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//t.deepEqual(randomIntWithLengthInRange(args..), 'Expected');
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//t.equal(randomIntWithLengthInRange(args..), 'Expected');
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//t.false(randomIntWithLengthInRange(args..), 'Expected');
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//t.throws(randomIntWithLengthInRange(args..), 'Expected');
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t.end();
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});
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