吳敏瑄JavaScript物件Object繪圖canvas蘋果公司發展
canvas繪圖套件繪製選擇權到期日損益圖
以上繪製選擇權損益程式碼
<style>h1{background-color: purple; color:white; padding: 10px;}</style>
<h1>canvas繪圖套件繪製選擇權到期日損益圖</h1>
<canvas id="BuyOptions" width="600" height="300"></canvas>
<script>
const c = document.getElementById("BuyOptions");
const ctx = c.getContext("2d");
ctx.strokeStyle = "green";
ctx.lineWidth = 5;
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(100, 100);
ctx.lineTo(200,100);
ctx.font = "16px Arial";
ctx.fillText("買入賣權puts的到期日損益",0,120);
ctx.moveTo(300, 100);
ctx.lineTo(400, 100);
ctx.lineTo(500, 0);
ctx.fillText("買入買權callss的到期日損益",300,120);
ctx.moveTo(0, 300);
ctx.lineTo(100, 200);
ctx.lineTo(200,200);
ctx.font ="30pt";
ctx.fillText("賣出賣權puts的到期日損益",0,180);
ctx.moveTo(300, 200);
ctx.lineTo(400, 200);
ctx.lineTo(500, 300);
ctx.fillText("賣出買權callss的到期日損益",300,180)
ctx.stroke();//繪製
</script>
1210. https://xi715.blogspot.com/2023/12/javascriptobjectcanvas.html
回覆刪除