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callbacks.js
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46 lines (38 loc) · 976 Bytes
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// Made by Yash
{
'use strict';
// Example #1
// const btn = document.getElementById('btn');
// btn.addEventListener('click', () => {
// console.log('CLICKED');
// });
// Example #2
// const arr = [1,2,3,4,5];
// const double = arr.map(el => el * 2);
// console.log('DOUBLED', double);
// Example #3
// const parent = callback => {
// // What's the "typeof callback"?
// console.log('AT START');
// setTimeout(() => {
// callback();
// }, 2000);
// console.log('AT END');
// };
// const child = () => {
// console.log('I AM CHILD');
// };
// parent(child);
// Example #4 - passing arguments to callback
// const target = (callback, arg) => {
// console.log('AT START');
// setTimeout(() => {
// callback(arg);
// }, 2000);
// console.log('AT END');
// };
// const func = number => {
// console.log('CALLING CHILD WITH NUMBER:', number);
// };
// target(func, 10);
}