Callback Example for Erin Kim

async-food-order.js

// Async

function giveOrderToChef(giveFoodToCustomer){
  var food = makeFood();
  giveFoodToCustomer(food);
}
function callbackFunction(food) {
  goToKitchen(food);
  grabFood(food);
  bringFoodToCustomer(food)
}
giveOrderToChef(giveFoodToCusomter);

file-reader.js

// File read example
import fs from 'fs';

// sync
var fileContents = fs.readFile('./server.js', 'utf8');

// async
fs.readFile('./server.js', 'utf8', function(data) {
  // callback
})

onclick.js

$('document').ready(function() {
  $('button').on('click', function() {
    $.ajax({
      url: 'https://api.github.com/zen',
      method: 'GET',
      success: function(data) {
        $('#text').text(data);
      }
    });
  });
});

sync-food-order.js

// Sychronous

var takeOrderAndGiveFood = getFoodForCusomter(order);

function getFoodForCusomter(order){
  var food = makeFood();
  // takes 20 mins.
  grabFood(food);
  bringFoodToCustomer(food)
}