页面历史

function main(spreadsheetReport) {
    var styleSheets = spreadsheetReport.elemSheetFrame.contentWindow.document.styleSheets;
    for (var i = 0, len = styleSheets.length; i < len; i++) {
        var styleSheet = styleSheets[i], rules = styleSheet.rules;
        for (var j = 0, length = styleSheet.rules.length; j < length; j++) {
            var rule = styleSheet.rules[j];
            if (rule.selectorText.toUpperCase() == "TD") {
                rule.style.overflow = "hidden";
            }
        }
    }
}