Get picklist values JavaScript Remoting

getPicklistValues.html

<script src="/soap/ajax/39.0/connection.js" type="text/javascript"></script>

<script>
    sforce.connection.sessionId = '{!$Api.Session_ID}';
    var result = sforce.connection.describeSObject("Opportunity");


    for (var i = 0, size = result.fields.length; i < size; i++) {
        var field = result.fields[i];

        if (field.name === 'StageName') {
            var oPicklistVals = field.picklistValues;
            for (var b = 0; b < oPicklistVals.length; b++) {
                console.log(oPicklistVals[b].value);
            }
        }
    }
</script>