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How to Check if an Item is in an Array in JavaScript Using Array.includes()

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OHIOLee answered on January 13, 2020 Popularity 10/10 Helpfulness 3/10

answer How to Check if an Item is in an Array in JavaScript Using Array.includes()

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How to Check if an Item is in an Array in JavaScript Using Array.includes()

Comment

const nums = [ 1, 3, 5, 7];
console.log(nums.includes(3));
// true

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: www.freecodecamp.org

Tags: javascript using

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Contributed on Jun 29 2022

OHIOLee

0 Answers Avg Quality 2/10

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how to check if an element is in an array javascript

Comment

const fruits = ["Banana", "Orange", "Apple", "Mango"];
fruits.includes("Mango");

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: element

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Contributed on Jan 28 2022

Zany Zebra

0 Answers Avg Quality 2/10

js check if string includes from array

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wordsArray = ['hello', 'to', 'nice', 'day']
yourString = 'Hello. Today is a nice day'.toLowerCase()
result = wordsArray.every(w => yourString.includes(w))
console.log('result:', result)

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Oct 13 2021

Borma

0 Answers Avg Quality 2/10

js check if string includes from array

Comment

const found = arrayOfStrings.find(v => str.includes(v));

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Oct 13 2021

Borma

0 Answers Avg Quality 2/10

How do I check if an array includes a value in JavaScript?

Comment

Modern browsers have Array#includes, which does exactly that and is widely supported by everyone except IE:

console.log(['joe', 'jane', 'mary'].includes('jane')); //true

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Mar 15 2022

shafeeque

0 Answers Avg Quality 2/10

javascript check if in array

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var extensions = ["image/jpeg","image/png","image/gif"];          
if(extensions.indexOf("myfiletype") === -1){
	alert("Image must be .png, .jpg or .gif");
}

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 13 2020

Friendly Hawk

0 Answers Avg Quality 2/10

Check array contains element

Comment

Check array contains element
String[] fruits = new String[] { "banana", "guava", "apple", "cheeku" };

Arrays.asList(fruits).contains("apple"); // true
Arrays.asList(fruits).indexOf("apple"); // 2

Arrays.asList(fruits).contains("lion"); // false
Arrays.asList(fruits).indexOf("lion"); // -1

Popularity 9/10 Helpfulness 3/10 Language java

Source: howtodoinjava.com

Tags: contains contain

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Contributed on Dec 30 2022

Deepika Sahu

0 Answers Avg Quality 2/10

array includes javascript

Comment

if(["code","padding",".com"].includes("code")){
	// statement if true	
}else{
	// statement if flase
}

Popularity 10/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Feb 28 2022

CodePadding

0 Answers Avg Quality 2/10

how to check if an element is in array javascript

Comment

array.includes('element that need to be checked') //returns true or false

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Source: Grepper

Tags: element

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Contributed on Oct 14 2022

Ashwin Joshy

0 Answers Avg Quality 2/10

javascript check if array is in array

Comment

var array = [1, 3],
    prizes = [[1, 3], [1, 4]],
    includes = prizes.some(a => array.every((v, i) => v === a[i]));

console.log(includes);

Popularity 10/10 Helpfulness 2/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Jun 29 2020

Prafy

0 Answers Avg Quality 2/10

How to Check if an Item is in an Array in JavaScript Using Array.includes()

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How to Check if an Item is in an Array in JavaScript Using Array.includes()

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javascript check if array is in array

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