The ornamental design for an electroniccigarette, as shown and described.
FIG. 1 is a perspective view of of an electronic cigarette;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof;
FIG. 6 is a left view thereof;
FIG. 7 is a right view thereof; and,
FIG. 8 is an enlarged partial view of portion “A” in FIG. 1.
The broken line in the drawings depict portions of the electronic cigarette that form no part of the claimed design. The broken lines consisting of dot-dot and dash lines in FIGS. 1 and 8 are for purposes of annotating the enlarged view and form no part of the claimed design.