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main.js
run
preview
console
function insertDashes(arr) {
// write code here
const letters = ['a', 'b', 'c', 'd',
'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z'];
let result = '';
for (let i=0; i<arr.length-1; i++){
if (letters.indexOf(arr[i].toLowerCase()) >= 0 && letters.indexOf(arr[i+1].toLowerCase()) >= 0){
result += arr[i] + '-'
}else{
result += arr[i]
}
}
result += arr[arr.length-1]
return result

}



/**
* Test Suite
*/
describe('insertDashes()', () => {
it('insert dashes in between chars', () => {
// arrange
const value = "aba caba";

// act
const result = insertDashes(value);

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

// assert
expect(result).toBe("a-b-a c-a-b-a");
});
});
Console
"result: "
,
"a-b-a c-a-b-a"
,
/index.html
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