emitting events,
event categories,
event propagation,
listening for events,
multiple events,
EventEmitter,
evergreen browsers,
,
every method (arrays),
exception handling
and call stacks,
anticipated vs. unanticipated errors,
communicating errors,
computational cost of,
Error object,
generator runners and,
unhandled/uncaught exceptions,
with try and catch,
exception statements,
execution context,
existence, vs. scope,
exit codes,
exponential notation,
exponentiation functions,
Express,
expressions
and control flow patterns,
conditional,
in template strings,
literal expressions,
vs. non-expression statements,
operator expressions,
order of execution,
Extended Backus-Naur Form (EBNF),
extensions, preventing,
F
fall-through execution,
falsy values,
fat arrow notation (=>),
fatal errors,
file modules,
filename globbing,
files
creating,
loading,
fill method (arrays),
filter function (arrays),
final expressions (in for loop),
find method (arrays),
findIndex method (arrays),
fixed-decimal numbers,
fixed-precision numbers,
floating-point types,
focus events (HTML),
for loops,
forEach (arrays),
form events (HTML),
formal arguments,
forward slash (/) division operator,
forward slashes, double (//) comment,
,
for…in loops,
for…of loops,
FOUC (flash of unstyled content) problem,
freezing,
function keyword,
function replacements,
function variables
concept of,
functions in arrays,
passing functions into functions,
returning functions from functions,
uses for,
functions
anonymous functions,
arguments/parameters for,
arrow notation and,
330 | Index