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array methods

Array methods

array methods

map

filter

reduce

forEach

find

every

some

concat

slice

splice

push

pop

shift

unshift

sort

flat

indexOf

Convert a Classic For Loop to a For...of Loop

Loop Through an Array with a For...of Loop

Find the First Even Number

Replace for loop with Array.find() to Get Object by Property Value

Find Attribute of First Active User

Double Every Number with map()

Refactor a For Loop Using map()

Return the Length of Each Word Using map

Map: Add a new property to each object

Map: Conditionally Set a Property in Array of Objects

Capitalize Words Starting With a Certain Letter

Mapping Numbers with Their Indices

Filter Out Numbers Less Than 10

Filter Strings by Length

Filter Even Numbers

Filter strings longer than a certain length

Filter Active Users

Check if Array Includes a Fruit

Keep Only Values Found in Both Arrays

Sum All Even Numbers in an Array Using forEach

Toggle Booleans into a New Array

Count Occurrences of a Value in an Array

Refactor a for loop to use Array.forEach()

Concatenate Uppercase Strings into a Word

Check if Any Value is Negative

Check if Any Element is a Boolean

Check if All Files are Images