Numbers

Numbers are represented by simple numerals. They can have a decimal point and a minus sign.

let x1 = 1;
let x2 = 1.0;
let x3 = 3.14;
let x4 = -1;

1 and 1.0 are the same number. You can calculate with numbers. The four basic arithmetics adding, subtracting, multiplying and dividing are represented by + - * and /.

let x1 = 6;
let x2 = 2;
let x3 = x1 + x2;
let x4 = x1 - x2;
let x5 = x1 * x2;
let x6 = x1 / x2;

The variables x3 to x6 thus have the values 8, 4, 12 and 3.

Write a function add that takes two numbers and returns their sum.

Example: add(1, 2) should return 3.

+ Hint

function add(x, y) {
  return ...
}

+ Solution

function add(x, y) {
  return x + y;
}