昨天用canvas了个画棋盘,今天优化了一下,目前能做到的最简。

<!dOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<title>绘制象棋</title>
<style>
body {
background-color: #C5C5C5;
}
canvas {
position: fixed;
background-color: #FFFFFF;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
</style>
</head>
<body>
<canvas id="cvs" width="592" height="626"></canvas>
<script>
let cx = document.getElementById('cvs').getContext('2d')
let w=560, h=594, wc=70, hc=66, m