console 命令行工具 X clear

console

var canvas = document.getElementById('myCanvas');
var ctx = canvas.getContext('2d');
// ctx.scale(0.5,0.5);
var img = new Image("");
img.onload = function() {
    ctx.drawImage(img, 0, 0);
};
img.src = 'https://x.autoimg.cn/qdty/online/1686912724265.png';

<canvas id="myCanvas"></canvas>

#myCanvas{
    width: 200px;
    height: 200px;
}