Hold values in an array and an object.

Arrays and Objects

array_object.js
const x = ;
const point = { x: x, y: 4 };
const items = [10, 20, 30];
const shown = JSON.stringify(point);
const sum = point.x + items[2];

console.log("point=" + shown);
console.log("item=" + items[1]);
console.log("sum=" + sum);
const x = ;
const point = { x: x, y: 4 };
const items = [10, 20, 30];
const shown = JSON.stringify(point);
const sum = point.x + items[2];

console.log("point=" + shown);
console.log("item=" + items[1]);
console.log("sum=" + sum);
const x = ;
const point = { x: x, y: 4 };
const items = [10, 20, 30];
const shown = JSON.stringify(point);
const sum = point.x + items[2];

console.log("point=" + shown);
console.log("item=" + items[1]);
console.log("sum=" + sum);
array-object An array holds values by position and an object holds them by name. Reading an element or field returns a plain value; `JSON.stringify` shows an object as readable text.