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JAVASCRIPT
remove duplicates from array
let chars = [ 'A' , 'B' , 'A' , 'C' , 'B' ] ;
let uniqueChars = [ ... new Set ( chars) ] ;
console . log ( uniqueChars) ;
output :
[ 'A' , 'B' , 'C' ]
remove all duplicates from an Array
const removeDuplicates = arr => [ ... new Set ( arr) ] ;
remove duplicate value from array
let chars = [ 'A' , 'B' , 'A' , 'C' , 'B' ] ;
let uniqueChars = [ ... new Set ( chars) ] ;
console . log ( uniqueChars) ;
remove duplicates array.filter
const uniqueArray = oldArray. filter ( ( item, index, self ) => self. indexOf ( item) === index) ;
completely remove duplicate element from the array
var array = [ 1 , 2 , 3 , 4 , 4 , 5 , 5 ] ,
result = array. filter ( function ( v, _, a ) {
return a. indexOf ( v) === a. lastIndexOf ( v) ;
} ) ;
console . log ( result) ;
remove duplicates from array
const numbers = [ 2 , 3 , 4 , 4 , 2 , 3 , 3 , 4 , 4 , 5 , 5 , 6 , 6 , 7 , 5 , 32 , 3 , 4 , 5 ]
console . log ( [ ... new Set ( numbers) ] )
Remove duplicate items in an array
let myArray = [ 'a' , 'b' , 'a' , 'b' , 'c' , 'e' , 'e' , 'c' , 'd' , 'd' , 'd' , 'd' ]
let myOrderedArray = myArray. reduce ( function ( accumulator, currentValue ) {
if ( accumulator. indexOf ( currentValue) === - 1 ) {
accumulator. push ( currentValue)
}
return accumulator
} , [ ] )
console . log ( myOrderedArray)
Remove Duplicates in an Array
const removeDuplicates = ( arr ) => [ ... new Set ( arr) ]
removeDuplicates ( [ 31 , 56 , 12 , 31 , 45 , 12 , 31 ] )
remove duplicates in array
uniq = [ ... new Set ( array) ] ;
or
uniqueArray = a. filter ( function ( item, pos ) {
return a. indexOf ( item) == pos;
} )
remove duplicates from array
$array = array ( 1 , 2 , 2 , 3 ) ;
$array = array_unique ( $array) ;
remove duplicate values from array
uniqueArray = a. filter ( function ( item, pos ) {
return a. indexOf ( item) == pos;
} )
Removing duplicate values from an array
const uniqueValue = [ ... new Set ( [ ... arr] ) ] ;
console . log ( uniqueValue) ;
Output :
[ 1 , 3 , 4 , 2 ]
remove duplicate Array
let Arr = [ 1 , 2 , 2 , 2 , 3 , 4 , 4 , 5 , 6 , 6 ] ;
let unique = [ ... new Set ( Arr ) ] ;
console . log ( unique) ;
function removeDuplicate ( arr ) {
return arr. filter ( ( item, index ) => arr. indexOf ( item) === index) ;
}
removeDuplicate ( Arr ) ;
Remove Array Duplicate
const removeDuplicates = ( arr ) => [ ... new Set ( arr) ] ;
console . log ( removeDuplicates ( [ 1 , 2 , 3 , 3 , 4 , 4 , 5 , 5 , 6 ] ) ) ;
Remove duplicates from array
$uniqueme = array ( ) ;
foreach ( $array as $key => $value) {
$uniqueme[ $value] = $key;
}
$final = array ( ) ;
foreach ( $uniqueme as $key => $value) {
$final[ ] = $key;
}
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