Jav
aScriptTutor
ialforBegi
nner
s:
Lear
nJav aScri
ptin1Hour
Jav
aScr
ipt
:Fr
equent
lyAskedQuest
ions
Whati
sJav
aScr
ipt
?
JavaScr
iptisaprogr
ammingl
anguageusedt
ocreat
eint
eract
ivewebsi
tesandweb
appli
cat
ions.I
tisoft
enusedi
nconj
uncti
onwit
hHTMLandCSS.
Whatcany
oudowi
thJav
aScr
ipt
?
Wit
hJavaScr
ipt
,youcanaddinter
act
ivi
tyt
owebsi
testhr
oughfeat
uresli
kepop-ups,
drop-
downmenus,andanimati
ons.I
tcanal
sobeusedtovali
dat
euserinput
,manipul
atetheDOM,
andmakeHTTPr equest
s.
Whatar
esomecommonJav
aScr
iptf
ramewor
ksandl
i
brar
ies?
Somepopul
arJav
aScr
iptf
ramewor
ksandl
i
brar
iesi
ncl
udeReact
,Angul
ar,
Vue.
js,
jQuer
y,and
Node.
js.
HowdoIgetst
art
edwi
thl
ear
ningJav
aScr
ipt
?
Therearemanyresour
cesav ai
labl
eonl i
nef orl
earni
ngJavaScri
pt,
incl
udingtut
ori
als,
documentat
ion,
andonlinecourses.It
'salsohelpf
ultopract
icewri
ti
ngy ourowncodeand
experi
menti
ngwithdif
ferentf
eaturesandt echni
ques.
TheWor
ldofJav
aScr
ipt
JavaScr
ipti
soneoft
hemostpopul
arandwidelyusedpr
ogrammi ngl
anguagesi
ntheworl
d
ri
ghtnow.It
'sgr
owi
ngfast
ert
hananyotherpr
ogramminglanguageandbigcompani
esl
ike
Netfl
i
xuseit.
Whati
sJav
aScr
ipt
?
JavaScr
ipti
saprogrammi
nglanguagethatisusedtocreat
eint
eracti
veef
fectswithi
nweb
browser
s.Iti
sal
sousedforser
ver-
sideprogramming,
mobi l
eappli
cati
ondevelopment,
and
gamedev el
opment.
Whati
sECMAScr
ipt
?
ECMAScr
ipti
sthest
andar
donwhi
chJav
aScr
ipti
sbased.Jav
aScr
ipti
soneoft
he
, i
mpl
ement
ati
onsofECMAScr
ipt
,butt
her
ear
eot
heri
mpl
ement
ati
onsaswel
l
.
HowDoesJav
aScr
iptWor
kinaBr
owser
?
JavaScr
iptrunsi
nthebr
owser '
sJav aScr
iptengi
ne,
whichi
nter
pret
st hecodeandexecut
esit.
JavaScr
iptcodecanbewrit
tendirectl
yintheHTMLf i
l
eori
nasepar ate.
jsfi
leandl
i
nkedt o
theHTMLf il
eusi
ngthe<scri
pt>tag.
Feat
uresofJav
aScr
ipt
Obj
ect
-or
ient
edpr
ogr
ammi
ng
Funct
ional
progr
ammi
ng
Dy
nami
cty
ping
Cl
osur
es
Asy
nchr
onouspr
ogr
ammi
ng
Thesef
eat
uresmakeJav
aScr
iptuni
queanddi
ff
erentf
rom ot
herpr
ogr
ammi
ngl
anguages.
Get
ti
ngaJobasaJav
aScr
iptDev
eloper
JavaScr
iptdev
elopersintheUSearnanaverageof$72,
000ay ear
.Youcanworkasa
fr
ontenddevel
oper,backenddev
eloper
,orful
lstackdev
eloperwhoknowsbot
hthefr
ontend
andbackend.
PayPalandWalmartbui
ldenti
reappl
icat
ionsar
oundJav
aScr
ipt
,sot
her
ear
epl
ent
yof
opport
unit
iesf
orJavaScri
ptdevel
opers.
I
fyouwanttol
earnJavaScr
ipt
,ther
earemanyresour
cesav
ail
abl
eonl
i
ne.Checkoutsi
tesl
i
ke
Jav
aScr
iptasaServ
iceandJSasaSi det
olear
nmor e.
WhatCanYouDowi
thJav
aScr
ipt
?
JavaScri
ptwasor i
ginall
ydesi gnedt orunonlyi
nbrowsers,butnowitcanbeusedtobui l
dfull
-
blownwebormobi leapps, r
eal -
ti
menet worki
ngappli
cat
ionslikechat
sandv i
deost
r eaming
servi
ces,command- li
net ool
s, andev engames.Lar
gecompani esli
keFacebookandGoogl e
usethelanguaget obuildint
eract i
vewebpagesandmobi l
eapps.Ithasmanynewf eatures
i
ncludingtheabil
it
yt orunmul tipl
elanguagesatthesamet imeandcreatewebappst hatcan
runinmul t
ipl
elanguages.
aScriptTutor
ialforBegi
nner
s:
Lear
nJav aScri
ptin1Hour
Jav
aScr
ipt
:Fr
equent
lyAskedQuest
ions
Whati
sJav
aScr
ipt
?
JavaScr
iptisaprogr
ammingl
anguageusedt
ocreat
eint
eract
ivewebsi
tesandweb
appli
cat
ions.I
tisoft
enusedi
nconj
uncti
onwit
hHTMLandCSS.
Whatcany
oudowi
thJav
aScr
ipt
?
Wit
hJavaScr
ipt
,youcanaddinter
act
ivi
tyt
owebsi
testhr
oughfeat
uresli
kepop-ups,
drop-
downmenus,andanimati
ons.I
tcanal
sobeusedtovali
dat
euserinput
,manipul
atetheDOM,
andmakeHTTPr equest
s.
Whatar
esomecommonJav
aScr
iptf
ramewor
ksandl
i
brar
ies?
Somepopul
arJav
aScr
iptf
ramewor
ksandl
i
brar
iesi
ncl
udeReact
,Angul
ar,
Vue.
js,
jQuer
y,and
Node.
js.
HowdoIgetst
art
edwi
thl
ear
ningJav
aScr
ipt
?
Therearemanyresour
cesav ai
labl
eonl i
nef orl
earni
ngJavaScri
pt,
incl
udingtut
ori
als,
documentat
ion,
andonlinecourses.It
'salsohelpf
ultopract
icewri
ti
ngy ourowncodeand
experi
menti
ngwithdif
ferentf
eaturesandt echni
ques.
TheWor
ldofJav
aScr
ipt
JavaScr
ipti
soneoft
hemostpopul
arandwidelyusedpr
ogrammi ngl
anguagesi
ntheworl
d
ri
ghtnow.It
'sgr
owi
ngfast
ert
hananyotherpr
ogramminglanguageandbigcompani
esl
ike
Netfl
i
xuseit.
Whati
sJav
aScr
ipt
?
JavaScr
ipti
saprogrammi
nglanguagethatisusedtocreat
eint
eracti
veef
fectswithi
nweb
browser
s.Iti
sal
sousedforser
ver-
sideprogramming,
mobi l
eappli
cati
ondevelopment,
and
gamedev el
opment.
Whati
sECMAScr
ipt
?
ECMAScr
ipti
sthest
andar
donwhi
chJav
aScr
ipti
sbased.Jav
aScr
ipti
soneoft
he
, i
mpl
ement
ati
onsofECMAScr
ipt
,butt
her
ear
eot
heri
mpl
ement
ati
onsaswel
l
.
HowDoesJav
aScr
iptWor
kinaBr
owser
?
JavaScr
iptrunsi
nthebr
owser '
sJav aScr
iptengi
ne,
whichi
nter
pret
st hecodeandexecut
esit.
JavaScr
iptcodecanbewrit
tendirectl
yintheHTMLf i
l
eori
nasepar ate.
jsfi
leandl
i
nkedt o
theHTMLf il
eusi
ngthe<scri
pt>tag.
Feat
uresofJav
aScr
ipt
Obj
ect
-or
ient
edpr
ogr
ammi
ng
Funct
ional
progr
ammi
ng
Dy
nami
cty
ping
Cl
osur
es
Asy
nchr
onouspr
ogr
ammi
ng
Thesef
eat
uresmakeJav
aScr
iptuni
queanddi
ff
erentf
rom ot
herpr
ogr
ammi
ngl
anguages.
Get
ti
ngaJobasaJav
aScr
iptDev
eloper
JavaScr
iptdev
elopersintheUSearnanaverageof$72,
000ay ear
.Youcanworkasa
fr
ontenddevel
oper,backenddev
eloper
,orful
lstackdev
eloperwhoknowsbot
hthefr
ontend
andbackend.
PayPalandWalmartbui
ldenti
reappl
icat
ionsar
oundJav
aScr
ipt
,sot
her
ear
epl
ent
yof
opport
unit
iesf
orJavaScri
ptdevel
opers.
I
fyouwanttol
earnJavaScr
ipt
,ther
earemanyresour
cesav
ail
abl
eonl
i
ne.Checkoutsi
tesl
i
ke
Jav
aScr
iptasaServ
iceandJSasaSi det
olear
nmor e.
WhatCanYouDowi
thJav
aScr
ipt
?
JavaScri
ptwasor i
ginall
ydesi gnedt orunonlyi
nbrowsers,butnowitcanbeusedtobui l
dfull
-
blownwebormobi leapps, r
eal -
ti
menet worki
ngappli
cat
ionslikechat
sandv i
deost
r eaming
servi
ces,command- li
net ool
s, andev engames.Lar
gecompani esli
keFacebookandGoogl e
usethelanguaget obuildint
eract i
vewebpagesandmobi l
eapps.Ithasmanynewf eatures
i
ncludingtheabil
it
yt orunmul tipl
elanguagesatthesamet imeandcreatewebappst hatcan
runinmul t
ipl
elanguages.
