💓.js

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    '',
    '',
    ''
];

var images = paths.map(function(p) {
    var svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
    var path = document.createElementNS("http://www.w3.org/2000/svg", 'path');
    svg.setAttribute("width", "50px");
    svg.setAttribute("height", "50px");
    path.setAttribute("d", p);
    path.style.fill = "#ccc";
    svg.appendChild(path);

    var s   = new XMLSerializer();
    var url = 'data:image/svg+xml;utf8,'+encodeURIComponent(s.serializeToString(svg)).replace(/'/g,"%27").replace(/"/g,"%22");
    var img = new Image();
    img.src = url;
    return img;
});

function generatePatternDataURL() {
    var patternCanvas = document.createElement('canvas');
    patternCanvas.width = 1000;
    patternCanvas.height = 1000;
    var patternCtx = patternCanvas.getContext("2d");
    var TO_RADIANS = Math.PI / 180;

    for (var i=10; i <= patternCanvas.width; i+=patternCanvas.width/10) {
        for (var j=20; j <= patternCanvas.height; j+=patternCanvas.height/10) {

            var p = document.createElement('canvas');
            var pCtx = p.getContext("2d");
            var angle = random(0, 180);
            var img = images[random(0,images.length-1)];

            pCtx.translate((img.width / 2), (img.width / 2));
            pCtx.rotate(-angle * TO_RADIANS);
            pCtx.drawImage(img, -(img.width / 2), -(img.height / 2));
            pCtx.rotate(angle * TO_RADIANS);
            pCtx.translate(-(img.width / 2), -(img.width / 2));
            patternCtx.drawImage(p, i, j);
        }
    }

    return patternCanvas.toDataURL();
}

window.onload = function() {
    var pages = document.getElementsByClassName('📄');
    pages[0].style.backgroundImage = "url(" + generatePatternDataURL() + ")";
    pages[1].style.backgroundImage = "url(" + generatePatternDataURL() + ")";
};