Write a JavaScript program that gets the radius of a circle from a user as shown in Figure 1 below. Display the circle's area and circumference as shown in Figure 2. pi= 3.14 circumference = 2piR area = piR2 *R is radius This page says Please insert the radius 50 OK Cancel Figure 1 Javascript Fix + E File CSEB294 / CSEB4123 The area is 7855 the circumference is 314.2 End of testing. Click Refresh. Figure 2