console 命令行工具 X clear

console

<!DOCTYPE html>
<html>

<head>
	<meta charset="utf-8">
	<title></title>
</head>

<body>
	<div>
		<textarea id="bianji" cols="500000" rows="4">ewfewfe</textarea>
		<canvas id="huahua" width="300" height="200" ></canvas>
		
    </div>
	
</body>
</html>

canvas {
    background-color: #237271
}
div{
    background-color: #237223
}