“check array empty or not in javascript” Code Answer’s

check array empty or not in javascript

javascript by Mehedi Islam Ripon           on Dec 20 2020 Donate

14

// To safely test if the array referenced by variable “array” isn’t empty: if (array && array.length) { // not empty } else { // empty } // Note that if “array” is assigned to some other object that isn’t an array, the code will still execute the “else” part. // A possible improvement to check that the object is specifically an empty array might be this: if (array && array.constructor === Array && array.length === 0) { // strictly an empty array } else { // either null, or not an array or not an empty array }

Source: www.quora.com

javascript check if array is not empty

javascript by Bewildered Booby on Nov 17 2020 Donate

3

if (array === undefined || array.length == 0) { // array empty or does not exist }

Source: stackoverflow.com

javascript check if array is empty

javascript by Scriper           on May 02 2020 Donate

11

if (array && !array.length) { // array is defined but has no element }

javascript how to check if array is empty

javascript by Lazy Lemur           on Sep 17 2020 Donate

1

if(array.length > 0)

how to check an empty array js

javascript by Wandering Wolf on Jun 02 2020 Donate

1

Array.isArray(emptyArray) && emptyArray.length

Source: www.geeksforgeeks.org

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