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Copy path四个角.html
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四个角.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<canvas width="800" height="400"></canvas>
<script>
var canvas = document.querySelector("canvas");
var cxt = canvas.getContext("2d");
cxt.beginPath();
cxt.font = "30px '宋体'";
cxt.textBaseline = 'top';
cxt.textAlign = 'left';
cxt.fillText('左上角',0,0);
cxt.beginPath();
cxt.font = "30px '宋体'";
cxt.textBaseline = 'top';
cxt.textAlign = 'right';
cxt.fillText('右上角',canvas.width,0);
cxt.beginPath();
cxt.font = "30px '宋体'";
cxt.textBaseline = 'bottom';
cxt.textAlign = 'right';
cxt.fillText('右下角',canvas.width,canvas.height);
cxt.beginPath();
cxt.font = "30px '宋体'";
cxt.textBaseline = 'bottom';
cxt.textAlign = 'left';
cxt.fillText('左下角',0,canvas.height);
cxt.beginPath();
cxt.font = "30px '宋体'";
cxt.textBaseline = 'middle';
cxt.textAlign = 'center';
cxt.fillText('中间',canvas.width/2,canvas.height/2);
</script>
</body>
</html>