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js delete duplicates from array
const names = [ 'John' , 'Paul' , 'George' , 'Ringo' , 'John' ] ;
let unique = [ ... new Set ( names) ] ;
console . log ( unique) ;
removing duplicates in array javascript
let arr = [ 1 , 2 , 3 , 1 , 1 , 1 , 4 , 5 ]
let filtered = arr. filter ( ( item, index ) => arr. indexOf ( item) === index)
console . log ( filtered)
javascript remove duplicates
var arr = [ "apple" , "mango" , "apple" , "orange" , "mango" , "mango" ] ;
function removeDuplicates ( arr ) {
return arr. filter ( ( item,
index ) => arr. indexOf ( item) === index) ;
}
console . log ( removeDuplicates ( arr) ) ;
how to remove duplicates from array in javascript
let num = [ 1 , 2 , 3 , 3 , 4 , 4 , 5 , 5 , 6 ] ;
let filtered = num. filter ( ( a, b ) => num. indexOf ( a) === b)
console . log ( filtered) ;
const removeDuplicates = ( arr ) => [ ... new Set ( arr) ] ;
console . log ( removeDuplicates ( [ 1 , 2 , 3 , 3 , 4 , 4 , 5 , 5 , 6 ] ) ) ;
javascript remove duplicated from Array
const removeDuplicates = ( arr ) => [ ... new Set ( arr) ] ;
console . log ( removeDuplicates ( [ 1 , 2 , 3 , 3 , 4 , 4 , 5 , 5 , 6 ] ) ) ;
remove duplicates from array js
const myArray = [ 2 , 5 , 6 , 2 , 2 , 4 , 5 , 3 , 3 ] ;
const uniqueArray = [ ... new Set ( myArray) ] ;
console . log ( uniqueArray) ;
remove duplicates from array
let chars = [ 'A' , 'B' , 'A' , 'C' , 'B' ] ;
let uniqueChars = [ ... new Set ( chars) ] ;
console . log ( uniqueChars) ;
output :
[ 'A' , 'B' , 'C' ]
javascript to remove duplicates from an array
uniqueArray = a. filter ( function ( item, pos ) {
return a. indexOf ( item) == pos;
} )
javascript remove duplicates from array
var myArr = [ 1 , 2 , 2 , 2 , 3 ] ;
var mySet = new Set ( myArr) ;
myArr = [ ... mySet] ;
console . log ( myArr) ;
javascript remove duplicates from array
unique = [ ... new Set ( arr) ] ;
how to remove duplicates in array in javascript
const numbers = [ 1 , 21 , 21 , 34 , 12 , 34 , 12 ] ;
const removeRepeatNumbers = array => [ ... new Set ( array) ]
removeRepeatNumbers ( numbers)
javascript remove duplicates from array
const initialArray = [ 'a' , 'a' , 'b' , ]
finalArray = Array . from ( new Set ( initialArray) ) ;
javascript to remove duplicates from an array
uniqueArray = a. filter ( function ( item, pos ) {
return a. indexOf ( item) == pos;
} )
how to remove duplicates in js array
let arr = [ 1 , 2 , 3 , 4 , 3 , 3 , 3 ]
console . log ( [ ... new Set ( arr) ] )
let arr = [ 1 , 2 , 3 , 4 , 3 , 3 , 3 , 'foo' , true ]
console . log ( [ ... new Set ( arr) ] )
remove duplicates from array javascript
function onlyUnique ( value, index, self ) {
return self. indexOf ( value) === index;
}
var a = [ 'a' , 1 , 'a' , 2 , '1' ] ;
var unique = a. filter ( onlyUnique) ;
console . log ( unique) ;
Remove Duplicates array values in javascript
const array = [ 5 , 4 , 7 , 8 , 9 , 2 , 7 , 5 ] ;
array. filter ( ( item, idx, arr ) => arr. indexOf ( item) === idx) ;
const nonUnique = [ ... new Set ( array) ] ;
js delete duplicates from array
const names = [ 'John' , 'Paul' , 'George' , 'Ringo' , 'John' ] ;
function removeDups ( names ) {
let unique = { } ;
names. forEach ( function ( i ) {
if ( ! unique[ i] ) {
unique[ i] = true ;
}
} ) ;
return Object . keys ( unique) ;
}
removeDups ( names) ;
Javascript removing duplicates in array
const array = [ 1 , 1 , 2 , 3 , 5 , 5 , 1 ]
const uniqueArray = [ ... new Set ( array) ] ;
console . log ( uniqueArray) ;
javascript remove duplicates
uniq = [ ... new Set ( array) ] ;
remove duplicate elements array javascript
let b = [ ] ;
for ( i = 0 ; i < 5 ; i++ ) {
a = prompt ( "Enter Name: " ) ;
let d = b. push ( a) ;
}
c = [ ... new Set ( b) ]
console . log ( c)
remove all duplicates from an Array
const removeDuplicates = arr => [ ... new Set ( arr) ] ;
how to delete duplicate elements in an array in javascript
let chars = [ 'A' , 'B' , 'A' , 'C' , 'B' ] ;
let uniqueChars = [ ] ;
chars. forEach ( ( c ) => {
if ( ! uniqueChars. includes ( c) ) {
uniqueChars. push ( c) ;
}
} ) ;
console . log ( uniqueChars) ;
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 in an Array in Javascript
let chars = [ 'A' , 'B' , 'A' , 'C' , 'B' ] ;
let uniqueChars = [ ... new Set ( chars) ] ;
console . log ( uniqueChars) ;
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 duplicates in array js, array js
const removeDuplicates = ( arr ) => [ ... new Set ( arr) ] ;
const arr = [ 1 , 2 , 3 , 4 , 5 , 3 , 1 , 2 , 5 ] ;
const distinct = removeDuplicates ( arr) ;
console . log ( distinct) ;
remove duplicate array es6
let a = [ 10 , 20 , 30 , 10 , 30 ] ;
let b = [ ... new Set ( a) ] ;
console . log ( b) ;
JavaScript remove duplicate items
function onlyUnique ( value, index, self ) {
return self. indexOf ( value) === index;
}
let a = [ 'a' , 1 , 'a' , 2 , '1' ] ;
let unique = a. filter ( onlyUnique) ;
console . log ( unique) ;
remove duplicates from array javascript
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 javascript
arr. filter ( ( v, i, a ) => a. findIndex ( t => ( t. place === v. place && t. name === v. name ) ) === i)
remove duplicate array es6
let a = [ 10 , 20 , 30 , 10 , 30 ] ;
let b = a. filter ( ( item, index ) => a. indexOf ( item) === index) ;
console . log ( b) ;
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;
} )
remove duplicates javascript
function withoutDuplicates ( arr ) {
return [ ... new Set ( arr) ] ;
}
removing duplicates from array javascript
var names = [ "Mike" , "Matt" , "Nancy" , "Adam" , "Jenny" , "Nancy" , "Carl" ] ;
var uniqueNames = [ ] ;
$. each ( names, function ( i, el ) {
if ( $. inArray ( el, uniqueNames) === - 1 ) uniqueNames. push ( el) ;
} ) ;
Removing duplicate values from an array
const uniqueValue = [ ... new Set ( [ ... arr] ) ] ;
console . log ( uniqueValue) ;
Output :
[ 1 , 3 , 4 , 2 ]
how to remove duplicate values in array javascript
var car = [ "Saab" , "Volvo" , "BMW" , "Saab" , "BMW" , ] ;
var cars = [ ... new Set ( car) ]
document . getElementById ( "demo" ) . innerHTML = cars;
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 ] ) ) ;
javascript remove duplicates from array
let chars = [ 'A' , 'B' , 'A' , 'C' , 'B' ] ;
let uniqueChars = [ ... new Set ( chars) ] ;
console . log ( uniqueChars) ;
Code language: JavaScript ( javascript)
remove duplicate array es6
let a = [ 10 , 20 , 30 , 50 , 30 ] ;
let b = a. reduce ( ( unique, item ) => unique. includes ( item) ? unique: [ ... unique, item] , [ ] ) ;
console . log ( b) ;
Remove duplicates from array
$uniqueme = array ( ) ;
foreach ( $array as $key => $value) {
$uniqueme[ $value] = $key;
}
$final = array ( ) ;
foreach ( $uniqueme as $key => $value) {
$final[ ] = $key;
}
remove duplicate Node
removeDuplicate ( ) {
if ( this . head ) {
let current = this . head ;
while ( current. next != null ) {
if ( current. value == current. next . value )
current. next = current. next . next ;
else
current = current. next ;
}
}
return this ;
}
how to remove duplicates in js
const names = [ 'John' , 'Paul' , 'George' , 'Ringo' , 'John' ] ;
let unique = [ ... new Set ( names) ] ;
console . log ( unique) ;
remove duplicate item from array javascript
function remove_duplicates ( arr ) {
var obj = { } ;
var ret_arr = [ ] ;
for ( var i = 0 ; i < arr. length ; i++ ) {
obj[ arr[ i] ] = true ;
}
for ( var key in obj) {
ret_arr. push ( key) ;
}
return ret_arr;
}
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