var person={
first_name:"johnny",
last_name: "johnson",
phone:"703-3424-1111"
};
for (var property in person) {
console.log(property,":",person[property]);
}let arr = [object0, object1, object2];
for (let elm of arr) {
console.log(elm);
}var people=[
{first_name:"john",last_name:"doe"},
{first_name:"mary",last_name:"beth"}
];
for (let i = 0; i < people.length; i++) {
console.log(people[i].first_name);
}for (var key in array) {
var obj = myArray[key];
// ...
}const myArray = [{x:100}, {x:200}, {x:300}];
myArray.forEach((element, index, array) => {
console.log(element.x); // 100, 200, 300
console.log(index); // 0, 1, 2
console.log(array); // same myArray object 3 times
});
var array = ["e", 5, "cool", 100];
for (let i = 0; i < array.length; i++) {
console.log(array[i]);
}
// This is a common method used to loop through elements in arrays.
// You can use this to change elements, read them, and edit them