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CODE EXAMPLE FOR JAVASCRIPT
duplicate numbers in an array javascript
[
1
,
1
,
2
,
2
,
3
]
.
filter
(
(
element
,
index
,
array
)
=>
array
.
indexOf
(
element
)
!==
index
)
// [1, 2]
Source by stackoverflow.com #
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Tagged:
#duplicate
#numbers
#array
#javascript
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