how to recognize an array in javascript

Creepy Gábor answered on November 25, 2020 Popularity 7/10 Helpfulness 3/10

answer how to recognize an array in javascript

how to recognize an array in javascript

Comment

const array = [1, 2, 3];

Array.isArray(array);  // => true
Array.isArray(object); // => false
Array.isArray(string); // => false
Array.isArray(empty);  // => false

// other ways

({}).toString.call(array);   // => '[object Array]'
({}).toString.call(object);  // => '[object Object]'
({}).toString.call(string);  // => '[object String]'
({}).toString.call(empty);   // => '[object Null]'

Popularity 7/10 Helpfulness 3/10 Language javascript

Source: dmitripavlutin.com

Tags: javascript

Link to this answer
Share Copy Link

Contributed on Nov 25 2020

Creepy Gábor

0 Answers Avg Quality 2/10

how to recognize an array in javascript

Contents

More Related Answers

how to recognize an array in javascript

Grepper

Documentation

Social

Legal

Contact

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