/
countOnly.js
49 lines (42 loc) · 962 Bytes
/
countOnly.js
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const assertEqual = function (actual, expected) {
if (actual === expected) {
console.log(`✅✅✅ Assertion Passed: ${actual} === ${expected}`);
} else {
console.log(`🛑🛑🛑 Assertion Failed: ${actual} !== ${expected}`);
}
}
const firstNames = [
"Karl",
"Salima",
"Agouhanna",
"Fang",
"Kavith",
"Jason",
"Salima",
"Fang",
"Joe"
];
const countOnly = function (allItems, itemsToCount) {
const createdObject = {};
for (let items in itemsToCount) {
if (itemsToCount[items])
createdObject[items] = 0;
}
for (let a in createdObject) {
for (let b in allItems) {
if (a === allItems[b]) {
createdObject[a]++;
}
}
}
console.log(createdObject);
return createdObject;
}
const result1 = countOnly(firstNames, {
"Jason": true,
"Karima": true,
"Fang": true
});
assertEqual(result1["Jason"], 1);
assertEqual(result1["Karima"], undefined);
assertEqual(result1["Fang"], 2);