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33.1: What is Express? - Coggle Diagram
33.1: What is Express?
a framework
is a pre-built collection of code
stops
you
having to reinvent the wheel
that addresses common programming challenges
different from a
library
a library gives you a set of
tools
a framework gives you a set of
patterns
that use those tools
you
call a library
a framework calls you
it dictates the flow of control
you say what you want to be done
but it decides when/how to do it
I
nversion
O
f
C
ontrol
Express
is
an
npm
package
a web development framework
#
helps us to
start up a server
to listen for requests
parse incoming requests
match requests to routes
build our response
is a very
lightweight
framework
sits between a library and a framework
simple
we have a lot of control