謝孜妤JavaScript物件object繪圖canvas繪製選擇權到期日損益

謝孜妤canvas繪圖套件繪製選擇權到期日損益圖

以上繪製選擇權 a

identifier名稱，身分證id card

<p id="xyz" class="a"></p>

<p id="dog" class="b"></p>

<p id="cat" class="a"></p>

<script>

// Create an object:

const band = {

guitar:"侯麗鷗", 

vocals:"蔡依雯",

bass:"林志玲"};

delete band.vocals;

band["singer"] = "劉任昌";

s=""; //定義變數空白

document.getElementById("xyz").innerHTML = Object.keys(band);

document.getElementById("dog").innerHTML = Object.values(band);

for (job in band){ 

   s+= job + "手: " + band[job] + "<br>"};

document.getElementById("cat").innerHTML = s;

</script>

<H1>w3schools學物件</H1>

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