el hilo que recorre cada peldaño
watering the plants
20 peldaños
01 · say something
calling a function
primera vez que escribes
" ( ) . ;02 · keep it in a name
a name that will not change
primera vez que escribes
, =03 · a list of them
an array, and reaching into it
primera vez que escribes
[ ]04 · a choice
if and else, and the braces around them
primera vez que escribes
> { }05 · go through them
a loop over a list
nada nuevo que alcanzar
06 · a note to yourself
a comment, and arithmetic
primera vez que escribes
* + - /07 · a name for a job
a function that answers a question
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08 · a thing with named parts
an object
primera vez que escribes
:09 · words with values in them
a template string
primera vez que escribes
$ `10 · is it the same?
equality, and its opposite
primera vez que escribes
!11 · a shorter way to write a job
an arrow function
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12 · make a new list from an old one
map
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13 · keep only some of them
filter, and two conditions at once
primera vez que escribes
& <14 · one or the other
or, when either will do
primera vez que escribes
|15 · when there is nothing there
a fallback for a missing part
primera vez que escribes
?16 · a quote inside a quote
the other quote mark
primera vez que escribes
'17 · every other day
the remainder, and a counting loop
primera vez que escribes
%18 · later, not now
a timer
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19 · something happened
a handler, kept and called later
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20 · the whole thing
everything so far, doing one job
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