                        課程
                    
                        /前端開發
                        
                            /Html5
                        
                        /Canvas繪圖詳解

為啥沒有傾斜，沒有反應

<!DOCTYPE?html>
<html>
<head>
????<meta?charset="UTF-8">
????<title></title>
</head>
<body>

<canvas?id="canvas"?style="?border:1px?solid?#0CF;?display:?block;?margin:50px?auto;">
????請更換瀏覽器嘗試
</canvas>

<script>
????window.onload=function(){
????????var?canvas=document.getElementById("canvas");

????????canvas.width=800;
????????canvas.height=800;
????????var?context=canvas.getContext("2d");

????????context.fillStyle?=?"#058";

????????context.font?=?"bold?40px?sans-serif"
????????context.fillText("歡迎大家來學習新的知識，加油?。?,40,100)

????????context.font?=?"italic?bold?40px?sans-serif";
????????context.fillText("歡迎大家來學習新的知識，加油！！",40,200)

????????context.font?=?"oblique?bold?40px?sans-serif";
????????context.fillText("歡迎大家來學習新的知識，加油！！",40,300)
????}

</script>

</body>
</html>