LinZap

const action = {
  succ_get_name : res=>console.log('dispatch: SUCC_GET_MAME',res),
  fail_get_name : res=>console.log('dispatch: FAIL_GET_MAME',res),
  succ_get_book : res=>console.log('dispatch: SUCC_GET_BOOK',res),
  fail_get_book : res=>console.log('dispatch: FAIL_GET_BOOK',res),
}

function api(param,result=true) {
  console.log('call api: ', param)
  return {body:'im response', result}

LinZap

node ./hk11.js "narto"

LinZap

const fs = require('fs')

let dir_path = __dirname + '/storage'
let file_path = dir_path + '/hello.txt'
let str = 'Hello world'

if (!fs.existsSync(dir_path))
    fs.mkdirSync(dir_path)

if (fs.existsSync(file_path))

LinZap

const proc_strng = require('./proc-string')

console.log(proc_strng.string_to_array('Hello world'))
console.log(proc_strng.string_to_int('00007777777'))

LinZap

var request = require('request');
request('http://www.google.com', function (error, response, body) {
  console.log('error:', error); // Print the error if one occurred
  console.log('statusCode:', response && response.statusCode); // Print the response status code if a response was received
  console.log('body:', body); // Print the HTML for the Google homepage.
})

LinZap

async function map(arr, func) {
    for (let i = 0; i < arr.length; i++)
        arr[i] = await func(arr[i])
    return arr
}

const delay = ms => new Promise(resolve => setTimeout(resolve, ms))

; (async () => {
    let arr = [1, 2, 3, 4]

LinZap

function delay(ms) {
    return new Promise(resolve => setTimeout(() => {
        console.log(new Date())
        resolve()
    }, ms))
}

let p = delay(1000);

for (let i = 0; i < 4; i++) {

LinZap

let width = 200;

function delayPrintWidth(ms) {
    let w = width
    setTimeout(() => console.log(w), ms)
}

delayPrintWidth(1000); // 預期印 200
width = 300;
delayPrintWidth(2000); // 預期印 300

LinZap

/*
function connect(func1, func2) {
    let data = { ...func1(), ...func2() }
    return function (element) {
        element(data)()
    }
}

connect(
    function () {

LinZap

function map(arr,fun){
    for(let i=0;i<arr.length;i++)  
        arr[i] = fun(arr[i])
    return arr;
}

const arr = [1,2,3,4,5]

const new_arr = map(arr,function(n){
    return n*100