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GM_xmlhttpRequest在这样的循环中运行:

for (var i = 0; i < entries.length; i++) {
    var entryName = entries[i];
    var requestResult = '';
    GM_xmlhttpRequest({
        method: 'GET',
        url: 'http://example.net/api/search.xml?q=' + entryName,
        synchronous: true,
        onload: function (response) {
            if (response.status == 200) {
                responseXML = new DOMParser().parseFromString(response.responseText, "text/xml");
                requestResult = responseXML.evaluate('//entry[id/text() = "' + entryIndex + '"]/start_date/text()',
                        responseXML, null, XPathResult.STRING_TYPE, null).stringValue;
            } else {
                requestResult = 'request error';
            }
        }
    });
    console.log(entryName + ' ' + requestResult);
}

它工作正常,但问题是预期结果向下移动了一行:

entryName1
entryName2  result1
entryName3  result2
entryName4  result3
...         ...

因此,正如我所见,在下一次循环迭代中调用onloadmy 的同步,但使用上一次迭代的参数。我该如何解决?GM_xmlhttpRequesturl

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