Update events.js

[imranhadi01]

[codecov[bot]]

Codecov Report

Merging #716 (dd8079f) into master (6110c85) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #716   +/-   ##
=======================================
  Coverage   67.12%   67.12%           
=======================================
  Files          39       39           
  Lines        3903     3903           
  Branches      732      732           
=======================================
  Hits         2620     2620           
  Misses       1034     1034           
  Partials      249      249           

Impacted Files	Coverage Δ
src/js/BookReader/events.js	100.00% <ø> (ø)

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