Run ./test.sh to produce the sample (demo.dart) with dart2js and dartdevc
C.InputElement_methods.setRangeText$4$end$selectionMode$start(H.interceptedTypeCheck(t1, "$isInputElement"), "This One", 2, "start", 1);
element.setRangeText("This One", {start: 1, end: 2, selectionMode: "start"});