question: execute the specified command returning a value if any concode_field_sep IJavascriptRuntime runtime concode_elem_sep IWebEngine engine concode_field_sep String getArrayFunction concode_elem_sep String getFunction concode_elem_sep String getFunction concode_elem_sep void setDefaultWebEngine concode_elem_sep String getArrayConstructor concode_elem_sep IJavascriptRuntime getInstance concode_elem_sep String getArgString concode_elem_sep String getConstructor
target: JSObject function ( String arg0 ) { Object loc0 = engine . executeScript ( arg0 ) ; if ( loc0 instanceof JSObject ) { return ( JSObject ) loc0 ; } return null ; }