for..in javascript code example

Example 1: javascript for

let str = "";

for (let i = 0; i < 9; i++) {
  str = str + i;
}

console.log(str);
// expected output: "012345678"

Example 2: for in loop javascript

var person = {"name":"taylor","age":31};
for (property in person) {
	console.log(property,person[property]);
}
//name taylor
//age 31

Example 3: javascript for of loop

(function() {
  for (const argument of arguments) {
    console.log(argument);
  }
})(1, 2, 3);

// 1
// 2
// 3