JavaScript物件object繪圖canvas繪製選擇權到期日損益
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蔡佩如VSCode編輯HTML, CSS, JavaScript俄羅斯方塊熱身
335影片 模仿印度開發人員 w3schools學習二維陣列JavaScript Arrays <h1>JavaScript Arrays</h1> <p id="demo"></p> <p id="demo1"></p> <script> const FOUR = [ //二維矩陣設定 [[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0]],//I紅 [[0,1,0], [0,1,0], [1,1,0]], //J橘 [[0,1,0], [0,1,0], [0,1,1]], //L黃 [[1,1,0], [0,1,1], [0,0,0]], //Z綠 [[0,1,1], [1,1,0], [0,0,0]], //S藍 [[1,1,1], [0,1,0], [0,0,0]], //T靛 [[1,1], [1,1],]]; //M紫,正方形,以上共7個 const COLORS = [ "#0c0c2e","red","orange","yellow","darkg...
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