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js如何获取浏览器canvas指纹?

js如何获取浏览器canvas指纹?


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代码如下:

  <script type="text/javascript">
       function getCanvasFingerprint() {
    // 创建canvas元素
    var canvas = document.createElement('canvas');
    var ctx = canvas.getContext('2d');

    // 设置canvas尺寸
    canvas.width = 2000;
    canvas.height = 200;

    // 绘制文字和图形
    ctx.textBaseline = "top";
    ctx.font = "14px 'Arial'";
    ctx.textBaseline = "alphabetic";
    ctx.fillStyle = "#f60";
    ctx.fillRect(125, 1, 62, 20)...

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