In javascript, is it better to use two equal signs or three when comparing variables -


this question has answer here:

i have noticed quite few people use 3 equals signs when comparing things in javascript, taught use two. can shed light on why use 3 or two, , why both work?

-thanks :)

another user has pointed out question has been asked, sorry guys, going @ answers on one.

all following evaluations return true

with == js will type-juggle.

1 == '1' 1 == 1 1 == true 0 != true 0 == false

with === js will not type-juggle

1 !== '1' 1 === 1 1 !== true 0 !== false

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