jquery获取kindEditor值

KE.show({
            id: 'txtMessage',
            imageUploadJson: '/ajax/Manager/keupload.ashx?ptype=news',
            fileManagerJson: '/ajax/Manager/kefilemanager.ashx?ptype=news',
            allowFileManager: true,
            resizeMode: 0,

newlineTag: 'br',
            shadowMode: false,
            autoSetDataMode: false,
            syncType: '', //auto: 每次修改时都会同步; form:提交form时同步; 空:不会自动同步;
            allowPreviewEmoticons: false,
            //kindEditor创建后
            afterCreate: function (id) {     
                //当表单提交时，将kindEditor值同步到指定控件中        
                KE.event.add(KE.$('fmManager'), 'submit', function () {
                    KE.sync(id);
                });
            },
            //光标离开后，将kindEditor值同步到指定控件中
             afterBlur: function (id) {
                KE.sync(id);
            }  
        });

jquery获取kindEditor值:

$("#txtMessage").val();