_setAttributesFromData(data) {
        // for debugging
        this.builtFrom=data;
        for (var key of this.myAttributes) {
            if (key in data) {
                this.data[key] = this.classify(key, data[key]);
            }
        }
    }
/* _setAttributesFromData(data)
     *
     * Take only this.myAttributes from data and store them in this object.
     * Update our understanding of the original values of updatable attributes.
     */
_setAttributesFromData(data)
Take only this.myAttributes from data and store them in this object.
Update our understanding of the original values of updatable attributes.
_setAttributesFromData ( data ) Take only this . myAttributes from data and store them in this object . Update our understanding of the original values of updatable attributes .
_setAttributesFromData(data) {
        this.builtFrom=data;
        for (var key of this.myAttributes) {
            if (key in data) {
                this.data[key] = this.classify(key, data[key]);
            }
        }
    }
_setAttributesFromData ( data ) { this . builtFrom = data ; for ( var key of this . myAttributes ) { if ( key in data ) { this . data [ key ] = this . classify ( key , data [ key ] ) ; } } }
_setAttributesFromData(data)
 Take only this.myAttributes from data and store them in this object.
_setAttributesFromData ( data ) Take only this . myAttributes from data and store them in this object .
// for debugging