Name: Note at 3:21
Uploaded: 2020-12-18T18:25:36.367Z
Description: Note at 3:21

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Note at 3:21

by Nicholaos Bilalis

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Notes

Note at 3:21

by Nicholaos Bilalis

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main.js

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const differentSymbolsNaive = str => 
    [...str].filter((value, index, array) => array.indexOf(value) === index).length;

/**
* Test Suite 
*/
describe('differentSymbolsNaive()', () => {
    it('returns count of unique characters', () => {
        // arrange
        const str = 'cabca';
        
        // act
        const result = differentSymbolsNaive(str);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe(3);
    });
});

const differentSymbolsNaive = str =>

[...str].filter((value, index, array) => array.indexOf(value) === index).length;

/**

* Test Suite

describe('differentSymbolsNaive()', () => {

it('returns count of unique characters', () => {

// arrange

const str = 'cabca';

// act

const result = differentSymbolsNaive(str);

// log

console.log("result: ", result);

// assert

expect(result).toBe(3);

});

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"result: "

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