JavaScript

Console

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console.log('Hello world!');
console.warn('hello %s', 'World');
console.error(new Error('Oops!'));

Numbers

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let amount = 6; let price = 4.99;

Variables

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let x = null; 
let name = "Tammy"; 
const found = false; 
var a; // => undefined
 
let single = 'Wheres my bandit hat?'; 
let double = "Wheres my bandit hat?";  
single.length // => 21 

Arithmetic Operators

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5 + 5 = 10 // Addition 10 - 5 = 5 // Subtraction 5 * 10 = 50 // Multiplication 10 / 5 = 2 // Division 10 % 5 = 0 // Modulo

Comments

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