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main.js
run
preview
console
function differentSymbolsNaive(str) {
let testArr = []
let count = 0
let arr = str.split('')
for(let i=0;i < arr.length; i++){
testArr = arr.slice(0, i)
if (!testArr.includes(arr[i])){
count++
}
}
return count
}



/**
* 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);
});
});
Console
"result: "
,
3
,
/index.html
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