loop an array in javascript code example
Example 1: loop through an array javascript
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 value in array
}
array.forEach((value, index) => {
console.log(index); // Will log each index
console.log(value); // Will log each value
});
Example 2: javascript code to loop through array
var colors = ["red","blue","green"];
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}
Example 3: javascript loop through array
const myArray = ['foo', 'bar'];
myArray.forEach(x => console.log(x));
//or
for(let i = 0; i < myArray.length; i++) {
console.log(myArray[i]);
}
Example 4: javascript loop through array
var myStringArray = ["Hello","World"];
var arrayLength = myStringArray.length;
for (var i = 0; i < arrayLength; i++) {
console.log(myStringArray[i]);
//Do something
}
Example 5: 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
}
Example 6: loop through array javascript
/* ES6 */
const cities = ["Chicago", "New York", "Los Angeles"];
cities.map(city => {
console.log(city)
})