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main.js
run
preview
console
function validTime(str) {
// write code here.
let arr = str.split(':');
let hr = parseInt(arr[0]);
let min = parseInt(arr[1]);


return hr >= 0 && hr<=23 && min>=0 && min<=59
}



/**
* Test Suite
*/
describe('validTime()', () => {
it('returns true for valid time', () => {
// arrange
const str = '13:58';

// act
const result = validTime(str);

// log
console.log("result 1: ", result);

// assert
expect(result).toBe(true);
});

it('returns false when invalid hours', () => {
// arrange
const str = '25:51';

// act
const result = validTime(str);

// log
console.log("result 1: ", result);

// assert
expect(result).toBe(false);
});

it('returns false when invalid minutes', () => {
// arrange
const str = '02:76';

// act
const result = validTime(str);

// log
console.log("result 1: ", result);

// assert
expect(result).toBe(false);
});
});
Console
"result 1: "
,
true
,
"result 1: "
,
false
,
"result 1: "
,
false
,
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