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solution and test for llipio#21
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bettychow committed Jun 13, 2017
1 parent 0039087 commit 8b98fd2
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25 changes: 25 additions & 0 deletions solutions/21.js
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const largestDesNums = (array) => {
let newArray = [];
array.sort(function(a,b) { return b - a });

for (let i = 0; i<3; i++) {
newArray.push(array[i]);
}

return (
newArray
);
};

module.exports = {
largestDesNums
};








22 changes: 22 additions & 0 deletions test/21.js
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const expect = require('chai').expect;
let largestDesNums = require('../solutions/21').largestDesNums

describe('Largest Three Numbers', () => {
it('should return the 3 largest numbers in descending order', () => {
const result = largestDesNums([1,9,8,7]);
expect(result).to.deep.equal([9,8,7]);
});

it('should return the 3 largest numbers in descending order', () => {
const result = largestDesNums([11,34,29,76]);
expect(result).to.deep.equal([76,34,29]);
});

it('should return the 3 largest numbers in descending order', () => {
const result = largestDesNums([234,123,456,345,897]);
expect(result).to.deep.equal([897,456,345]);
});
});


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