黎冠妤html 按鈕button事件onclick

物件導向設計OOP=Object-Oriented Programming

主詞subject受詞object東方的oriental

id=identity,身分證id card, division區塊,段落

class Stock{      //宣告類別
  constructor(code, shares, price){//建構子constructor
    this.code = code;
    this.shares = shares;
    this.price = price;}
}
s1 = new Stock("2330", 100, 1000); //建構子Stock建構s1
s2 = new Stock("2880", 1000, 30); //建構子Stock建構s2
s3 = new Stock("C", 100, 1000); //建構子Stock建構s1
s4 = new Stock("T", 1000, 30); //建構子Stock建構s2

st = s1.code+' 股數 '+s1.shares.toString()+'
'+s2.code.toString()+' 股數 '+s2.shares;
document.getElementById('cat').innerHTML = st;
st = dict.get(s3.code)+' 股數 '+s3.shares.toString()+'
'+dict.get(s4.code)+' 股數 '+s4.shares;
document.getElementById('dog').innerHTML = st;

期中考心得

JAVASCRIPT的字典

dict =new Map([["2303","聯電"],["2330","台積電"],["2880","華南金"],['AAPL','蘋果公司'],['C','花旗銀行'],['T','美國電話電報']]);//宣告配對(字典)

PYTHON的字典

dict ={"2303":"聯電","2330":"台積電","2880":"華南金",'AAPL':'蘋果公司','C':'花旗銀行','T','美國電話電報'}