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Check If An Array Is Empty Or Null Or Undefined In JavaScript?

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Foolish Fox answered on March 13, 2020 Popularity 10/10 Helpfulness 4/10

answer Check If An Array Is Empty Or Null Or Undefined In JavaScript?

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Check If An Array Is Empty Or Null Or Undefined In JavaScript?

Comment

let myArray = [];

if( myArray.length  > 0  ) {
    console.log(myArray);
    console.log("Array has elements");
}
else {
    console.log("Array has no elements");
}

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: www.tutsplanet.com

Tags: is-empty javascript null undefined

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Contributed on Aug 09 2021

Foolish Fox

0 Answers Avg Quality 2/10

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javascript check if array is empty

Comment

if (typeof array !== 'undefined' && array.length === 0) {
    // the array is defined and has no elements
}

Popularity 10/10 Helpfulness 9/10 Language javascript

Source: stackoverflow.com

Tags: is-empty is-empt

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Contributed on Mar 13 2020

Code Hero

0 Answers Avg Quality 2/10

javascript check if array is not empty

Comment

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

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Nov 17 2020

Bewildered Booby

0 Answers Avg Quality 2/10

javascript check if array is empty

Comment

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

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: is-empty is-empt

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Contributed on May 02 2020

Scriper

0 Answers Avg Quality 2/10

javascript not empty array not string

Comment

if (Array.isArray(array) && array.length) {
    // array exists and is not empty
}

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Apr 07 2020

crawlingcity

0 Answers Avg Quality 2/10

how to check if array is empty or not in javascript

Comment

if(typeof array != 'undefined' && array.length > 0){
	// array has elements
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: is-empty is-empt

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Contributed on Jul 13 2021

JS Ninja

0 Answers Avg Quality 2/10

check if an array is empty javascript

Comment

if (!Array.isArray(array) || !array.length) {
  // array does not exist, is not an array, or is empty
  // ⇒ do not attempt to process array
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: is-empty is-empt

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Contributed on Oct 03 2021

Nice Nightingale

0 Answers Avg Quality 2/10

javascript check if array is empty or null or undefined

Comment

if (typeof array !== 'undefined' && array.length === 0) {
    // the array is defined and has no elements
}
if (typeof image_array !== 'undefined' && image_array.length > 0) {
    // the array is defined and has at least one element
}
if (array === undefined || array.length == 0) {
    // array empty or does not exist
}
if (array && !array.length) {
    // array is defined but has no element
}
if (Array.isArray(array) && array.length) {
    // array exists and is not empty
}

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: is-empty is-empt

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Contributed on Oct 21 2022

ammer

0 Answers Avg Quality 2/10

javascript cehck if array is empty

Comment

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

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: is-empty is-empt

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Contributed on Sep 05 2020

Fantastic Fox

0 Answers Avg Quality 2/10

javascript how to check if array is empty

Comment

if(array.length > 0)

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: is-empty is-empt

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Contributed on Sep 17 2020

Lazy Lemur

0 Answers Avg Quality 2/10

Check If An Array Is Empty Or Null Or Undefined In JavaScript?

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Check If An Array Is Empty Or Null Or Undefined In JavaScript?

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