128   this._on_ws_error = function(ev) {  argument
129     console.log('vm/0/' + id + 'error: ' + ev);
132   this._on_ws_close = function(ev) {  argument
134         'vm/0/' + id + ' closed with code: ' + ev.code +
135         ' reason: ' + ev.reason);
139   this._on_ws_open = function(ev) {  argument
147   this._on_ws_message = function(ev) {  argument
148     var data = ev.data;
367     reader.onload = (function(ev) {  argument
368                       var reader = ev.target;
375     reader.onerror = (function(ev) {  argument
376                        var reader = ev.target;