const double = (num) => return num * 2; ; console.log(double(21)); // Output: 42 Your code needs to think. Use if , else if , and else to create branches.
Published: March 15, 2020 Difficulty: Beginner Cohort: Spring 2020 javascript beginner bootcamp (2020)
console.log("Hello, Bootcamp 2020!"); Congratulations. You just wrote your first line of code. Think of variables as labeled jars on a shelf. You put data in them so you can use it later. const double = (num) => return num * 2; ; console
// Count from 1 to 5 for (let i = 1; i <= 5; i++) console.log("Loop number: " + i); const double = (num) =>
// Define the function function greetUser(userName) return "Hey " + userName + ", welcome to 2020!";