■

楽天ショップのメルマガ購読解除画面のチェックボックスを一括で解除するGreasemonkey - tittea blog

// ==UserScript==
// @name           uncheck_rakuten_melmaga
// @namespace      uncheck_rakuten_melmaga
// @include        https://emagazine.rakuten.co.jp/ns?act=chg_rmail*
// ==/UserScript==


var checkbox = $X('//input[@name="sid[]"]'); 
for(var i = 0;i<checkbox.length;i++){
	checkbox[i].checked=false;
}





//http://lowreal.net/logs/2006/03/16/1
//thanks cho45!
$X = function (exp, context) {
    if (!context) context = document;
    var resolver = function (prefix) {
        var o = document.createNSResolver(context)(prefix);
        return o ? o : (document.contentType == "text/html") ? "" : "http://www.w3.org/1999/xhtml";
    }
    var exp = document.createExpression(exp, resolver);
    
    var result = exp.evaluate(context, XPathResult.ANY_TYPE, null);
    switch (result.resultType) {
        case XPathResult.STRING_TYPE : return result.stringValue;
        case XPathResult.NUMBER_TYPE : return result.numberValue;
        case XPathResult.BOOLEAN_TYPE: return result.booleanValue;
        case XPathResult.UNORDERED_NODE_ITERATOR_TYPE: {
            result = exp.evaluate(context, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
            var ret = [];
            for (var i = 0, len = result.snapshotLength; i < len ; i++) {
                ret.push(result.snapshotItem(i));
            }
            return ret;
        }
    }
    return null;
}