xxxxxxxxxx
for (let step = 0; step < 5; step++) {
// Runs 5 times, with values of step 0 through 4.
console.log(step);
}
0
1
2
3
4
xxxxxxxxxx
var nums = [1, 2, 3, 5];
for (var i = 0; i,nums.length; i++){
console.log(nums[i]);
}
xxxxxxxxxx
for (let index = 0; index < array.length; index++) {
const element = array[index];
}
xxxxxxxxxx
const book = {
title: "Harry Potter and The Philosopher's Stone",
author: "J. K. Rowling",
year: 1997
};
for (x in book) {
console.log(x, ':', book[x]);
}
xxxxxxxxxx
var arr = [1, 2, 3, 4];
for (var i = 0; i < arr.length; i++) {
console.log(arr[i]);
};
xxxxxxxxxx
var listItem = [
{name: 'myName1', gender: 'male'},
{name: 'myName2', gender: 'female'},
{name: 'myName3', gender: 'male'},
{name: 'myName4', gender: 'female'},
]
for (const iterator of listItem) {
console.log(iterator.name+ ' and '+ iterator.gender);
}
xxxxxxxxxx
const object = { a: 1, b: 2, c: 3 };
for (const property in object) {
console.log(`${property}: ${object[property]}`);
}
// expected output:
// "a: 1"
// "b: 2"
// "c: 3"
xxxxxxxxxx
var sum = 0;
for (var i = 0; i < a.length; i++) {
sum + = a[i];
} // parsing an array
xxxxxxxxxx
var arr = [1, 2, 3, 4];
arr.forEach(function(element) {
console.log(element);
});