ws.onmessage = function (e) {
        console.log(e.data);
        var test = JSON.parse(e.data);
        console.log(test["MAPDATA"]);
        handle(JSON.parse(e.data));
    };


FIRST OUTPUT OF CONSOLELOG:

"MAPDATA":"trqwtertqwetrt" ... and more

SECOND OUTPUT OF CONSOLELOG:

" trqwtertqwetrt" and more ...