问JS不允许破折号(-)；有什么想法吗？

EN

50 - DE - HOUSE 5 -D
47 - SHERIFF - M

//Create list of available contest to display.
function CreateResultSet(featureSet) {
    demVoteCount = 0;
    repVoteCount = 0;
    otherVoteCount = 0;
    RemoveChildren(dojo.byId("race"));
    resultsDataGroup = new Object();
    var controlIndex = 0;
    if (featureSet.length == 0) {
        return;
    }
    else {
        for (var i = 0; i < featureSet.length; i++) {
            if (!resultsDataGroup[featureSet[i].attributes.CONTEST]) {
                resultsDataGroup[featureSet[i].attributes.CONTEST] = new Array();
                var divRaceData = document.createElement("div");
                divRaceData.className = "divData";
                divRaceData.id = "divRaceName" + (controlIndex);
                divRaceData.innerHTML = featureSet[i].attributes.CONTEST;
                divRaceData.setAttribute("controlIndex", controlIndex);
                divRaceData.onclick = function () { DisplayChart(this); };
                dojo.byId("race").appendChild(divRaceData);
                controlIndex++;
            }

            if (featureSet[i].attributes.PARTY == "DEM") {
                demVoteCount += featureSet[i].attributes.VOTES;
            }
            else if (featureSet[i].attributes.PARTY == "REP") {
                repVoteCount += featureSet[i].attributes.VOTES;
            }
            else {
                otherVoteCount += featureSet[i].attributes.VOTES;
            }
            resultsDataGroup[featureSet[i].attributes.CONTEST].push({ ContestName: featureSet[i].attributes.CONTEST, CandidateName: featureSet[i].attributes.CANDIDATE, VoteTotal: featureSet[i].attributes.VOTES, Party: featureSet[i].attributes.PARTY });
        }
        dojo.byId("race").scrollTop = 0;
        currentRaceIndex = 0;
        DisplayChart(dojo.byId("race").childNodes[0]);
        dojo.byId('divSelectedGeometry').innerHTML = dojo.query(".divSelectedGeo", dojo.byId('geometry'))[0].innerHTML + " - ";
    }
}