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javascript loop through array backwards
const array = [ 'alpha' , 'beta' , 'gamma' ] ;
array. reduceRight ( ( _, elem ) => console . log ( elem) , null ) ;
javascript loop through array backwards
# Using reverse for - loop
# The standard approach is to loop backward using a for - loop starting from the end of the array towards the beginning of the array.
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
for ( var i = arr. length - 1 ; i >= 0 ; i-- ) {
console . log ( arr[ i] ) ;
}
js reverse array loop
const array = [ "a" , "b" , "c" ] ;
for ( const str of array. reverse ( ) ) {
console . log ( str)
}
javascript loop through array backwards
let ar = [ 1 , 2 , 3 ] ;
ar. slice ( ) . reverse ( ) . forEach ( x => console . log ( x) )
javascript loop through array backwards
let ar = [ 1 , 2 , 3 ] ;
ar. slice ( ) . reverse ( ) . forEach ( x => console . log ( x) )
javascript loop through array backwards
const array = [ 'alpha' , 'beta' , 'gamma' ] ;
array. reduceRight ( ( _, elem ) => console . log ( elem) , null ) ;
iterate over array backwards javascript
for ( var i = arr. length - 1 ; i >= 0 ; i-- ) {
console . log ( arr[ i] ) ;
}
javascript loop through array backwards
const arr = [ 1 , 2 , 3 ] ;
const newArray = arr. slice ( ) . reverse ( ) . map ( x => x) ;
console . log ( newArray) ;
javascript loop through array backwards
const array = [ 'alpha' , 'beta' , 'gamma' ] ;
array. reduceRight ( ( _, elem ) => console . log ( elem) , null ) ;
Run code snippet
javascript loop through array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
Object . keys ( arr) . reverse ( )
. forEach ( function ( index ) {
console . log ( arr[ index] ) ;
} ) ;
javascript loop through array backwards
const array = [ 'alpha' , 'beta' , 'gamma' ] ;
array. reduceRight ( ( _, elem ) => console . log ( elem) , null ) ;
javascript loop through array backwards
# Using Array . prototype . reverse ( ) function
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
arr. slice ( ) . reverse ( )
. forEach ( function ( item ) {
console . log ( item) ;
} ) ;
# Alternatively , you can use the Object . keys ( ) method to get keys :
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
Object . keys ( arr) . reverse ( )
. forEach ( function ( index ) {
console . log ( arr[ index] ) ;
} ) ;
javascript loop through array backwards
let arr = [ 1 , 2 , 3 ]
for ( let i = arr. length - 1 ; i > 0 ; i-- ) {
console . log ( arr[ i] ) ;
}
JAVASCRIPT ARRRAY LOOP BACKWARDS
let reverseArray = Arr => {
let pushed = [ ] ;
for ( let i = Arr . length - 1 ; i >= 0 ; i-- ) {
pushed. push ( Arr [ i] ) ;
}
return pushed
}
const sentence = [ 'sense.' , 'make' , 'all' , 'will' , 'This' ] ;
console . log ( reverseArray ( sentence) )
javascript reverse loop
const items = [ "apricot" , "banana" , "cherry" ] ;
for ( let i = items. length - 1 ; i >= 0 ; i -= 1 ) {
console . log ( ` ${ i} . ${ items[ i] } ` ) ;
}
loop array reverse
var array = [ 1 , 2 , 3 , 4 ] ;
var totalArguments = array. length ;
for ( var i = totalArguments - 1 ; i >= 0 ; i-- ) {
console . log ( array[ i] ) ;
}
javascript loop through array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
Object . keys ( arr) . reverse ( )
. forEach ( function ( index ) {
console . log ( arr[ index] ) ;
} ) ;
javascript loop through array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
Object . keys ( arr) . reverse ( )
. forEach ( function ( index ) {
console . log ( arr[ index] ) ;
} ) ;
javascript loop backwards through array
ar arr = [ 1 , 2 , 3 , 4 , 5 ] ;
Object . keys ( arr) . reverse ( )
. forEach ( function ( index ) {
console . log ( arr[ index] ) ;
} ) ;
javascript loop through array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
arr. reduceRight ( ( _, item ) => console . log ( item) , null ) ;
js loop to array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
arr. slice ( ) . reverse ( )
. forEach ( function ( item ) {
console . log ( item) ;
} ) ;
javascript backwards loop array
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
for ( var i = arr. length - 1 ; i >= 0 ; i-- ) {
arr[ i]
}
javascript loop through array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
Object . keys ( arr) . reverse ( )
. forEach ( function ( index ) {
console . log ( arr[ index] ) ;
} ) ;
javascript loop array backwards
for ( i = array. length - 1 ; i >= 0 ; i-- ) {
code
}
javascript loop through array backwards
# Using Array . prototype . reduceRight ( ) function
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
arr. reduceRight ( ( _, item ) => console . log ( item) , null ) ;
javascript loop through array backwards
javascript loop through array backwards
com. mysql . cj . jdbc . Driver b = new Driver ( ) ;
javascript loop through array backwards
loop array backwards javascript
var arr = [ 1 , 2 , 3 ] ;
arr. slice ( ) . reverse ( ) . forEach ( function ( x ) {
console . log ( x) ;
} )
js loop array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ,
arr. slice ( ) . reverse ( ) . forEach ( function ( item { consoloe. log ( item) ; } ) ;
javascript loop through array backwards
function key ( event ) {
if ( event. which == 13 ) {
if ( rw == 0 ) {
fid = f ( ) ;
rw = setInterval ( run, 100 ) ;
rs. play ( ) ;
bw = setInterval ( b, 100 ) ;
sw = setInterval ( updateScore, 100 ) ;
fw = setInterval ( move, 100 ) ;
}
}
if ( event. which == 32 ) {
if ( jw == 0 ) {
clearInterval ( rw) ;
rs. pause ( ) ;
rw = - 1 ;
jw = setInterval ( jump, 100 ) ;
js. play ( ) ;
}
}
}
var rs = new Audio ( "run.mp3" ) ;
rs. loop = true ;
var js = new Audio ( "jump.mp3" ) ;
var ds = new Audio ( "dead.mp3" ) ;
var fid = 0 ;
var a = 700 ;
function f ( ) {
for ( var y = 0 ; y < 10 ; y++ ) {
var i= document . createElement ( "img" ) ;
i. src = "flame (1).gif" ;
i. className = "f" ;
i. style . marginLeft = a + "px" ;
a = a + 500 ;
i. id = "d" + y;
document . getElementById ( "b" ) . appendChild ( i) ;
}
}
var rw = 0 ;
var r = 1 ;
function run ( ) {
var rimg = document . getElementById ( "girl" ) ;
r = r + 1 ;
if ( r == 9 ) {
r = 1 ;
}
rimg. src = "Run (" + r + ").png" ;
}
var bw = 0 ;
var t = 0 ;
function b ( ) {
t = t - 20 ;
document . getElementById ( "b" ) . style . backgroundPositionX = t + "px" ;
}
var sw = 0 ;
var u = 0 ;
function updateScore ( ) {
u = u + 10 ;
document . getElementById ( "score" ) . innerHTML = u;
}
var fw = 0 ;
function move ( ) {
for ( var y = 0 ; y < 10 ; y++ ) {
var z = getComputedStyle ( document . getElementById ( "d" + y) ) ;
var p = parseInt ( z. marginLeft ) ;
p = p - 20 ;
document . getElementById ( "d" + y) . style . marginLeft = p + "px" ;
if ( p <= 140 & p >= 60 ) {
if ( mt > 300 ) {
clearInterval ( rw) ;
rs. pause ( ) ;
clearInterval ( jw) ;
jw = - 1 ;
clearInterval ( sw) ;
clearInterval ( bw) ;
clearInterval ( fw) ;
dw = setInterval ( dead, 100 ) ;
ds. play ( ) ;
}
}
}
}
var jw = 0 ;
var j = 1 ;
var mt = 390 ;
function jump ( ) {
var jimg = document . getElementById ( "girl" ) ;
if ( j <= 6 ) {
mt = mt - 30 ;
}
jimg. style . marginTop = mt + "px" ;
j = j + 1 ;
if ( j == 13 ) {
j = 1 ;
clearInterval ( jw) ;
jw = 0 ;
rw = setInterval ( run, 100 ) ;
rs. play ( ) ;
if ( fid == 0 ) {
fid = f ( ) ;
}
if ( bw == 0 ) {
bw = setInterval ( b, 100 ) ;
}
if ( sw == 0 ) {
sw = setInterval ( updateScore, 100 ) ;
}
if ( fw == 0 ) {
fw = setInterval ( move, 100 ) ;
}
}
jimg. src = "jump(" + j + ").png" ;
}
var ds = new Audio ( "dead.mp3" ) ;
var d = 0 ;
function dead ( ) {
var dimg = document . getElementById ( "girl" ) ;
d = d + 1 ;
if ( d == 11 ) {
d = 10 ;
dimg. style . marginTop = "360px" ;
document . getElementById ( "end" ) . style . visibility = "visible" ;
document . getElementById ( "endscore" ) . innerHTML = u;
}
dimg. src = "Dead(" + d + ").png" ;
}
function re ( ) {
location . reload ( ) ;
}
javascript loop through array backwards
javascript loop through array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
for ( var i = arr. length - 1 ; i >= 0 ; i-- ) {
console . log ( arr[ i] ) ;
}
reverse through a for loop js
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
for ( let i = arr. length - 1 ; i>= 0 ; i-- ) {
console . log ( i) ;
}
JavaScript loop array backwards
var arr = [ 1 , 2 , 3 , 4 , 5 ] ;
for ( var i = arr. length - 1 ; i >= 0 ; i-- ) {
console . log ( arr[ i] ) ;
}
javascript loop array backwards
var arr = [ 1 , 2 , 3 ]
for ( let element of arr. reverse ( ) ) {
console . log ( element)
}
array reverse with for loop
function reverseArray ( arr ) {
var newArr = [ ] ;
var inArr = arr;
console . log ( inArr) ;
for ( i = 0 ; i < arr. length ; i++ ) {
newArr[ i] = inArr. pop ( i) ;
}
return newArr;
}
reverseArray ( [ "A" , "B" , "C" , "D" , "E" , "F" ] ) ;
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