Breaking News: Grepper is joining You.com. Read the official announcement!

summary of array methods javascript

Wissam answered on March 6, 2022 Popularity 10/10 Helpfulness 5/10

answer summary of array methods javascript

summary of array methods javascript

Comment

192

[1, 2, 3].push(4); // [1, 2, 3, 4]
[1, 2, 3].pop(); // [1, 2]
[1, 2, 3].shift(); // [2, 3]
[1, 2, 3].unshift(0); // [0, 1, 2, 3]
['a', 'b'].concat('c'); // ['a', 'b', 'c']
['a', 'b', 'c'].join('-'); // a-b-c
['a', 'b', 'c'].slice(1); // ['b', 'c']
['a', 'b', 'c'].indexOf('b'); // 1
['a', 'b', 'c'].includes('c'); // true
[3, 5, 6, 8].find((n) => n % 2 === 0); // 6
[2, 4, 3, 5].findIndex((n) => n % 2 !== 0); // 2
[3, 4, 8, 6].map((n) => n * 2); // [6, 8, 16, 12]
[1, 4, 7, 8].filter((n) => n % 2 === 0); // [4, 8]
[2, 4, 3, 7].reduce((acc, cur) => acc + cur); // 16
[2, 3, 4, 5].every((x) => x < 6); // true
[3, 5, 6, 8].some((n) => n > 6); // true
[1, 2, 3, 4].reverse(); // [4, 3, 2, 1]
[3, 5, 7, 8].at(-2); // 7

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript methods summary

Link to this answer
Share Copy Link

Contributed on Mar 06 2022

Wissam

0 Answers Avg Quality 2/10

Continue with Google

By continuing, I agree that I have read and agree to Greppers's Terms of Service and Privacy Policy.

summary of array methods javascript

Contents

More Related Answers

summary of array methods javascript

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.