javascript loop object
let obj = {
key1: "value1",
key2: "value2",
key3: "value3"
}
Object.keys(obj).forEach(key => {
console.log(key, obj[key]);
});
// key1 value1
// key2 value2
// key3 value3
// using for in - same output as above
for (let key in obj) {
let value = obj[key];
console.log(key, value);
}loop array javascript
var colors = ['red', 'green', 'blue'];
colors.forEach((color, colorIndex) => {
console.log(colorIndex + ". " + color);
});js loop through object
const obj = { a: 1, b: 2 };
Object.keys(obj).forEach(key => {
console.log("key: ", key);
console.log("Value: ", obj[key]);
} );loop an array in javascript
let array = ["loop", "this", "array"]; // input array variable
for (let i = 0; i < array.length; i++) { // iteration over input
console.log(array[i]); // logs the elements from the current input
}for array javascript
let iterable = [10, 20, 30];
for (let value of iterable) {
value += 1;
console.log(value);
}
// 11
// 21
// 31for of js
let panier = ['fraise', 'banane', 'poire'];
for (const fruit of panier) {
// console.log(fruit);
console.log(panier.indexOf(fruit));
}Copyright © 2021 Codeinu
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