jialinhuang00

var alpha = 'dajvgiasdrrrrkq;wrklrq';

var Letters = new Map();

// has set get methods
alpha.split('').map(letter => {
  if (!Letters.has(letter)) Letters.set(letter, 1);
  else Letters.set(letter, Letters.get(letter) + 1);
});
// keys() values() and entries() contain both.

jialinhuang00

前言

• Iteration methods：會每一個element都給他see一次，every()、filter()、forEach()、map()、some()

• Accessor methods：不會更動陣列本身，只是呈現你想呈現的，lastIndexOf()、indexOf()

• Mutator methods：push() pop() unshift() shift()

Methods

jialinhuang00

Element(like div)

clientHeight = padding + height(沒scrollbar)

offsetHeight = padding + border + height

scrollHeight >= clientHeight

Body

clientHeight = padding + height

jialinhuang00

import socket

serversocket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

host = socket.gethostbyname('')
port = 5001
serversocket.bind((host, port))
serversocket.listen()

while True:

jialinhuang00

const obj = {
    a: 32,
    b: 32,
    c: "Hello",
    d: 128,
};

let total = 0;
Object.prototype.parentPro = 300;
function iterateToSum(obj) {

jialinhuang00

# variables
NEXT = npx next
GIT = git

# defalt
.PHONY: all
all:
	@echo "Available targets:"
	@echo "  make out                                         - Prepare for publishing, a.k.a next build"
	@echo "  make commit \"Your commit message\"                - Commit changes"