javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})javascript foreach
const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
console.log(index, item)
})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)
});javascript foreach index
users.forEach((user, index)=>{
console.log(index); // Prints the index at which the loop is currently at
});foreach jas
const array1 = ['a', 'b', 'c'];
array1.forEach(element => console.log(element));forEach
const arraySparse = [1,3,,7]
let numCallbackRuns = 0
arraySparse.forEach((element) => {
console.log(element)
numCallbackRuns++
})
console.log("numCallbackRuns: ", numCallbackRuns)
// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.javascript for each
const emperors = [{
name: 'D. Luffy',
age: 10
},{
name: 'Jhey',
age: 30
}];
emperors.forEach(emperor => console.log(`${emperor.name} is ${emperor.age} years old `));Copyright © 2021 Codeinu
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