var person={
first_name:"johnny",
last_name: "johnson",
phone:"703-3424-1111"
};
for (var property in person) {
console.log(property,":",person[property]);
}for (var key in array) {
var obj = myArray[key];
// ...
}// Find an element in an array
const people = [ {name: "john", age:23},
{name: "john", age:43},
{name: "jim", age:101},
{name: "bob", age:67} ];
const john = people.find(person => person.name === 'john');
console.log(john);
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 themfor (var prop in obj) {
if (Object.prototype.hasOwnProperty.call(obj, prop)) {
// do stuff
}
}