Why invent a new language instead of using Javascript? The goals of JavaFX are the same as the goals of Java ME and Java SE. Java ME and Java SE have basically

Why invent a new language instead of using Javascript? The goals of JavaFX are the same as the goals of Java ME and Java SE. Java ME and Java SE have basically failed to live up to their expectations. Why not fix Java ME and Java SE instead of inventing something new? And, why should we expect that JavaFX will succeed where Java ME and SE have failed?