for in loops javascript code example

Example 1: javascript for loop

for (var i; i < 10; i++) {
  
}

Example 2: javascript loop

let array = ['Item 1', 'Item 2', 'Item 3'];

array.forEach(item => {
	console.log(item); // Logs each 'Item #'
});

Example 3: javascript loop through array

const array1 = ['a', 'b', 'c'];

array1.forEach(element => console.log(element));

Example 4: for in javascript

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"

Example 5: for loop in javascript

For printing 0 to 9

you can write like below also
var i;
for (i = 0; i < 10; i++) {
  console.log(i);
}

Example 6: for in loops javascript

for(const key in object){
  	// do stuff
}
// goes through the keys of an object