JS获取当前页所有URL并在新标签页中打开

在Chrome浏览器中，基于XPath，在新标签页中打开当前页面的所有URL

(function() {
    /**
     * 休眠方法
     * deplay: 休眠毫秒数
     */
    function sleep(delay) {
        var start = new Date().getTime();
        while (new Date().getTime() < start + delay);
    }

    /**
     * 根据url下载文件（Chrome有效）
     * 
     * 注意：此处需要注意浏览器 URL 右上角，弹窗会被浏览器拦截。点击允许即可。
     */
    function downloadWithUrl(urlStr) {
        console.warn('urlStr:' + urlStr);
        if (urlStr == null) {
            return;
        }

        var a = document.createElement('a');
        a.href = urlStr;
        a.setAttribute('target', '_blank');
        a.click();
    }

    var nodes = [];
    /**
     * 根据 XPath 获取 URL
     */
    function getUrlWithXPath() {
        var xpathExpression = '//*[@id="app"]/div/div[6]/div/section/ul/li/div/div/div[2]/div[3]/a';
        var eva = new XPathEvaluator();
        var result = document.evaluate(xpathExpression, document.documentElement, null, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null);
        
        if (result != null) {
            var node = result.iterateNext();
            while (node != null) {
                nodes.push(node);
                // console.warn(node.href);
                // this.downloadWithUrl(node.href);
                node = result.iterateNext();
            }
        }
        console.error(nodes.length);
    }

    getUrlWithXPath();

    function downloadFiles() {
        console.error(nodes.length);

        for (var i = 0; i < nodes.length; i++) {
            sleep(500);
            downloadWithUrl(nodes[i].href);
        }
    }

    downloadFiles();

})();