javascript iterate array
let array = ['Item 1', 'Item 2', 'Item 3'];
// Here's 4 different ways
for (let index = 0; index < array.length; index++) {
console.log(array[index]);
}
for (let index in array) {
console.log(array[index]);
}
for (let value of array) {
console.log(value); // Will log each value
}
array.forEach((value, index) => {
console.log(index); // Will log each index
console.log(value); // Will log each value
});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]);
} );javascript loop through array
var myStringArray = ["hey","World"];
var arrayLength = myStringArray.length;
for (var i = 0; i < arrayLength; i++) {
console.log(myStringArray[i]);
//Do something
}loop in object javascript
var person = {"name":"Rasel", age:26};
for (var property in person) {
console.log(person[property]);
}Copyright © 2021 Codeinu
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