The ornamental design for a portableelectronicdevice, as shown and described.
FIG. 1 is a perspective view according to our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left-side elevational view thereof;
FIG. 5 is a right-side elevational view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is another perspective view according to our new design;
FIG. 9 is a front elevational view according to our new design in a closed position;
FIG. 10 is a rear elevational view thereof;
FIG. 11 is a left-side elevational view thereof;
FIG. 12 is a right-side elevational view thereof;
FIG. 13 is a top plan view thereof; and,
FIG. 14 is a bottom plan view thereof.
The broken lines shown in FIGS. 1-3, 8, and 13 that are immediately adjacent to the shaded areas on the display panel represent the bounds of the claimed design, while all other lines are directed to environment and form no part of the claimed design.