/* https://www.youtube.com/watch?v=Mus_vwhTCq0 */ /*Debugging */ const person1 = { name: 'Tom', age:30}; const person2 = { name: 'Bernie', age:40}; const person3 = { name: 'Harry', age:35}; console.log('%c People', 'color: orange; font-weight: bold;'); console.log({person1, person2, person3}); console.debug('People in a table'); //Show verbose console.table([person1, person2, person3]); console.trace('Trace me'); /*String with variables */ let name = 'me' console.log(`I am ${name}`); /*Variable destructuring */ let parameter = { num1: 1, num2: 2, num3: 3, otherNums: [4,5,6] }; function execute(parameter) { let {num1, num2, num3, otherNums} = parameter; console.log(`${num1}, ${num2} and ${num3} and even ${otherNums.join(' and ')}`); } execute({num1: 1, num2: 2, num3: 3, otherNums: [4, 5, 6]}); /*Spread syntax */ const species = {name: 'Pikachu'}; const stats = {hp: 40, attack:60, defense:45}; const pikachu = {...species, ...stats}; pokemon = ['Bulbasaur', 'Ivysaur', 'Venusaur']; pokemon = [...pokemon, 'Charmander', 'Charmeleon', 'Charizard']; /*Loops */ const orders = [199, 50, 123, 229, 40]; let total = 0; //Sum everything let withTax = []; //Add tax to every price let highValue = []; //Filter out the high value orders for (let i=0; i 100) { highValue.push(orders[i]); } } console.log([total, withTax, highValue]); //Reduce total = orders.reduce((accumulatedValue, currentValue) => accumulatedValue + currentValue); //Map withTax = orders.map(v => v*1.1); //Filter highValue = orders.filter(v => v>100); console.log([total, withTax, highValue]);