for of loop javascript vs for in code example
Example 1: for of vs for in javascript
let list = [4, 5, 6];
for (let i in list) {
console.log(i);
}
for (let i of list) {
console.log(i);
}
let pets = new Set(["Cat", "Dog", "Hamster"]);
pets["species"] = "mammals";
for (let pet in pets) {
console.log(pet);
}
for (let pet of pets) {
console.log(pet);
}
Example 2: for of and for in javascript
let arr = ['el1', 'el2', 'el3'];
arr.addedProp = 'arrProp';
for (let elKey in arr) {
console.log(elKey);
}
for (let elValue of arr) {
console.log(elValue)
}
Example 3: for of vs for in
for (variable in enumerable) {
}