Added preventDefaults to toggleVisible behavior
Added preventDefaults to toggleVisible behavior

hansmaad/chartist-js,cr3ative/chartist-js,chartist-js/chartist,hansmaad/chartist-js,gionkunz/chartist-js,chartist-js/chartist,chartist-js/chartist,cr3ative/chartist-js,gionkunz/chartist-js