for in in javascript code example

Example 1: 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 2: 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);
}