for each key value loop

ForEachKeyValue.ts

const testObject = { a: 1, b: 2, c: 3, d: 4, e: 5 };

// Object.entries({}) lets you loop through the properties of the object with access to the key and value of each entry
for (const [key, value] of Object.entries(testObject)) {
    console.log(key, value); // a, 1. b, 2... etc...
}

const customArray = [
    { key: "a", value: 1 },
    { key: "a", value: 1 },
    { key: "b", value: 1 },
    { key: "b", value: 1 },
];

// [].entries() lets you loop through the array with access to the index and value
for (const [index, value] of customArray.entries()) {
    console.log(index, value); // 0, { key: "a", value: 1 }. 1, { key: "a", value: 1 }... etc...
}