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countOnly.js
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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 countOnly = function(allItems, itemsToCount) {
// result = ""
// for(let i = 0; i < allItems.length; i++) {
// for(var person in itemsToCount) {
// if(itemsToCount.hasOwnProperty(allItems[i])){
// }
// }
// }
const results = {}
for (const item of allItems) {
if (itemsToCount[item]){
if (results[item]) {
results[item] += 1;
} else {
results[item] = 1;
}
}
}
return results;
}
// const firstNames = [
// "Karl",
// "Salima",
// "Agouhanna",
// "Fang",
// "Kavith",
// "Jason",
// "Salima",
// "Fang",
// "Joe"
// ];
// const result1 = countOnly(firstNames, { "Jason": true, "Karima": true, "Fang": true, "Agouhanna": false });
module.exports = countOnly;