javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});for each js
const fruits = ['mango', 'papaya', 'pineapple', 'apple'];
// Iterate over fruits below
// Normal way
fruits.forEach(function(fruit){
console.log('I want to eat a ' + fruit)
});foreach jas
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));javascript .foreach
let colors = ['red', 'blue', 'green'];
// idx and sourceArr optional; sourceArr == colors
colors.forEach(function(color, idx, sourceArr) {
console.log(color, idx, sourceArr)
});
// Output:
// red 0 ['red', 'blue', 'green']
// blue 1 ['red', 'blue', 'green']
// green 2 ['red', 'blue', 'green']for loop vs for each loop
1-
For Loop:
-It is flexible to iterate array
both ascending and descending order.
For Each:
-It iterates from initial to end
2-
For Loop:
-It runs until given condition become false
For Each:
-Keeps execution until last element
get executed
3-
For Loop:
-It use index
For Each:
-It use iteration
4-
For Loop:
-Accepts both object collections and non object collections
For Each:
-Accepts only object collectionsforeach javascript
let dogs = ['Husky','Black Lab','Australian Shepard','Golden Retriever'];
dogs.forEach(function(dog) {
console.log(dog);
});Copyright © 2021 Codeinu
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