The ornamental design for an inductioncooktop, as shown and described.
FIG. 1 is a front perspective view of an induction cooktop according to my new ornamental design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a bottom view thereof.
The structural elements depicted by broken lines in FIGS. 1 and 2 have been shown for the purpose of illustrating portions of the induction cooktop that form no part of the claimed design.
The rear of the induction cooktop is not shown and its appearance is not claimed.