The ornamental design for a portion of an element of an electronicdevice, as shown and described.
FIG. 1 is a rear view of a portion of an element of an electronic device showing our new design;
FIG. 2 is a right side view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a front side view thereof; and,
FIG. 6 is a perspective view thereof showing the portion of the element within a disclaimed illustrative electronic mouse.
The broken line representation of the bottom portion in FIGS. 1–5 and the remainder of the electronic device in FIG. 6 is for illustrative purposes only and forms no part of the claimed design. The contrast in shading techniques represents a contrast in appearance and does not represent any specific color, material or texture.