toyProblems.js

function log(input, str) {
	if (str) return console.log(str, input)
	console.log('logging', input)
	return 'Program finished'
}

// var x = 1;
// log(x);
// var y = 2;
// log(y, 'hihihihihi');
// var arr = [x, y, 3];
// log(arr);


function addAllNumber(numberArray) {
	var result = 0;
	for (var i = 0; i < numberArray.length; i++) {
		result = result + numberArray[i];
	}
	return result;
}

function valueExistsInArray(result, value) {
	var valueExists = false;
	for (var y = 0; y < result.length; y++) {
		if (result[y] === value) {
			valueExists = true;
		}
	}
	return valueExists;
}

function noRepeatingValues(valueArray) {
	var result = [];
	for (var i = 0; i < valueArray.length; i++) {
		var value = valueArray[i]
		var valueExists = valueExistsInArray(result, value)
		if (valueExists === false) {
			result.push(value)
		}
	}
	return result;
}

noRepeatingValues([1, 1, 2]);

function getBallotResults(ballot) {
	var ballotDictionary = {};
	for (var i = 0; i < ballot.length; i++) {
		var name = ballot[i];
		var votesForName = ballotDictionary[name]
		if (votesForName) {
			ballotDictionary[name] = ballotDictionary[name] + 1;
		} else {
			ballotDictionary[name] = 1;
		}
	}
	return ballotDictionary;
}

function getHighestVotesFromBallot(ballotDictionary) {
	var result;
	var ballotDictionaryKeys = Object.keys(ballotDictionary);
	for (var y = 0; y < ballotDictionaryKeys.length; y++) {
		var currentName = ballotDictionaryKeys[y];
		if (!result) {
			result = currentName;
		} else {
			if (ballotDictionary[result] < ballotDictionary[currentName]) {
				result = currentName;
			}
		}
	}
	return result;
}

function countBallot(ballot) {
	var ballotDictionary = getBallotResults(ballot);
	var result = getHighestVotesFromBallot(ballotDictionary);
	return result;
}

// countBallot(['John', 'John', 'Mary', 'Mary'])

// addAllNumber([1,2,3])