SoarLin

const http = require('http');

exports.handler = function(event, context, callback) {
  const option = {
    "hostname": "api.ipify.org",
    "path": "/?format=JSON",
    "method": "GET"
  };

  callback(null, Request(option).

SoarLin

MyPromise.prototype.catch = function(catchFunc) {
  return this.then(null, catchFunc)
}
MyPromise.resolve = function(value) {
  return new MyPromise((resolve, reject) => {
    resolve(value);
  })
}
MyPromise.reject = function(value) {
  return new MyPromise((resolve, reject) => {

SoarLin

function inherit(Child, Parent) {
  // 繼承原型上的屬性
  Child.prototype = Object.create(Parent.prototype);
  
  // 修復 constructor
  Child.prototype.constructor = Child;
  
  // 儲存超類別
  Child.super = Parent;
  

SoarLin

// 適用場景：偵測 input 做搜尋或自動完成
// inputEl.addEventListener('keyup', debounce(func, 500));
function debounce(func, delay = 200) {
  let timer = null;
  
  return (...args) => {
    if (timer) clearTimeout(timer); 
    timer = setTimeout(() => {
      func.apply(this, args);
    }, delay);