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javascript array unique values
var arr = [ 55 , 44 , 65 , 1 , 2 , 3 , 3 , 34 , 5 ] ;
var unique = [ ... new Set ( arr) ]
how to find unique elements in array in javascript
let a = [ "1" , "1" , "2" , "3" , "3" , "1" ] ;
let unique = a. filter ( ( item, i, ar ) => ar. indexOf ( item) === i) ;
console . log ( unique) ;
get unique numbers of an array in javascript using for loop
var array = [ 3 , 7 , 5 , 3 , 2 , 5 , 2 , 7 ] ;
for ( var i= 0 ; i< array. length ; i++ ) {
for ( var j= i+ 1 ; j< array. length ; j++ ) {
if ( array[ i] === array[ j] ) {
array. splice ( j, 1 ) ;
}
}
}
console . log ( array) ;
Run code snippet
javascript find unique values in array
var myArray = [ 'a' , 1 , 'a' , 2 , '1' ] ;
var unique = myArray. filter ( ( v, i, a ) => a. indexOf ( v) === i) ;
array unique values javascript
const myArray = [ 'a' , 1 , 'a' , 2 , '1' ] ;
const unique = [ ... new Set ( myArray) ] ;
unique values in array javascript
let uniqueItems = [ ... new Set ( items) ]
get unique array javascript
[ { _id : 10 } , { _id : 20 } , { _id : 20 } ] . filter ( ( item, i, ar ) => ar. findIndex ( each => each. _id === item. _id ) === i)
unique element in array
const unique = ( value, index, self ) => {
return self. indexOf ( value) === index
}
const ages = [ 26 , 27 , 26 , 26 , 28 , 28 , 29 , 29 , 30 ]
const uniqueAges = ages. filter ( unique)
console . log ( uniqueAges)
find unique value on array
const a = [ 1 , 9 , 2 , 2 , 3 , 4 , 1 , 7 , 8 , 0 , 9 , 0 , 1 , 5 , 3 ] ;
const b = a. filter ( function ( item, index, array ) {
return array. lastIndexOf ( item) === index;
} ) ;
unique array in javascript
const uniqueArr = [ ... new Set ( arr) ]
find unique elements in array
const arr1= [ 1 , 2 , 3 , 4 , 5 , 5 ] ;
const unique = arr1. filter ( ( item, index, array ) =>
array. indexOf ( item) === index
)
console . log ( unique)
array with unique values javascript
let uniqueItems = [ ... new Set ( items) ]
how to find unique values in an array in js using function
Array . prototype . unique = function ( ) {
let arr = [ ] ;
for ( let i = 0 ; i < this . length ; i++ ) {
if ( ! arr. includes ( this [ i] ) ) {
arr. push ( this [ i] ) ;
}
}
return arr;
}
const ages = [ 26 , 27 , 26 , 26 , 28 , 28 , 29 , 29 , 30 ]
const uniqueAges = ages. unique ( )
console . log ( uniqueAges)
javascript unique array
const mySet = new Set ( [ 1 , 2 ] )
const additionalSet = [ 5 , 2 , 6 ]
mySet = new Set ( [ ... mySet, ... additionalSet] )
array = [ ... new Set ( [ ... mySet, ... additionalSet] ) ]
Finding unique number in the array
class Solution {
public int singleNumber ( int[ ] nums ) {
int n= 0 ;
for ( int i: nums) {
n= n^ i;
}
return n;
}
}
find unique elements in array
const arr[ 1 , 2 , 3 , 4 , 4 , 5 , 5 ]
console . log ( ... new Set ( arr) )
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