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JavaScriptNote/functions/my_function.js at master · mbrsagor/JavaScriptNote · GitHub
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functions
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my_function.js
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JavaScriptNote
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functions
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my_function.js
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/**
* `filter` return array.
* `find` return array index.
* `map` can iterate item form array or object.
*/
let
items
=
[
"Mbr-Sagor"
,
"Saif Nirbo"
,
"Shimul"
,
"Faruk"
,
"Lokman"
]
let
_filter
=
items
.
filter
(
(
item
)
=>
item
===
"Faruk"
)
;
console
.
log
(
_filter
)
;
let
_find
=
items
.
find
(
(
item
)
=>
item
===
"Shimul"
)
;
console
.
log
(
_find
)
;
let
_map
=
items
.
map
(
(
item
)
=>
{
return
item
}
)
console
.
log
(
_map
)
;
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