console 命令行工具 X clear

> {}

console

let canvas = document.createElement('canvas');
canvas.height = 500;
canvas.width = 500;
canvas.style.backgroundColor = 'white'
document.body.appendChild(canvas);

context = canvas.getContext('2d');
console.log(context);
let img = 'https://s1.ax1x.com/2020/09/18/whRX7R.jpg';
let img2 = new Image(img)
img2.src = img;
img2.onload = () => {
    context.shadowOffsetX = 5; 
    context.shadowOffsetY = 5; 
    context.shadowBlur = 4; 
    context.shadowColor = "rgba(0, 0, 0, 0.5)";
    context.drawImage(img2, 10, 10,200,140, 20,20,200,100);
}

<html>
    <body>
	
</body>
</html>