How can I check if an object is an array

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shafeeque answered on July 22, 2019 Popularity 10/10 Helpfulness 4/10

answer How can I check if an object is an array

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How can I check if an object is an array

Comment

In modern browsers you can do:

Array.isArray(obj)

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: stackoverflow.com

Tags: javascript object

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Contributed on Mar 06 2022

shafeeque

0 Answers Avg Quality 2/10

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Javascript is object array

Comment

var colors=["red","green","blue"];

if(Array.isArray(colors)){
    //colors is an array
}

Popularity 10/10 Helpfulness 7/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jul 22 2019

Grepper

0 Answers Avg Quality 2/10

if object is array javascript

Comment

Array.isArray(object);

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Source: Grepper

Tags: javascript j

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Contributed on Apr 08 2020

Uninterested Unicorn

0 Answers Avg Quality 2/10

How to check if an object is an array or not?

Comment

var arrayList = [1 , 2, 3];
console.log(Array.isArray(arrayList)) // true
// method 1
if(Array.isArray(arrayList)){
    console.log("is array")
}
// method 2
if(Object.prototype.toString.call(arrayList) === '[object Array]') {
  console.log('Array!');
}

Popularity 10/10 Helpfulness 6/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Mar 06 2022

CodePadding

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javascript is object array

Comment

/* The Array.isArray() method indicates whether 
the passed value is an array. */

let example1 = [1, 2, 3];
console.log(Array.isArray(example1)); // → true

let example2 = {a: 1, b: 2,c: 3};
console.log(Array.isArray(example2)); // → false

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Mar 01 2022

Intra

0 Answers Avg Quality 2/10

check object in array javascript

Comments(1)

var obj = {a: 5};
var array = [obj, "string", 5]; // Must be same object
array.indexOf(obj) !== -1 // True

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Source: Grepper

Tags: javascript j

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Contributed on Jun 06 2020

TC5550

0 Answers Avg Quality 2/10

Check if an array contains a object in javascript

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const john = {
    'name': 'John Doe',
    'email': 'john.doe@example.com'
};
const jane = {
    'name': 'Jane Doe',
    'email': 'jane.doe@example.com'
};

const list = [john, jane];
let result = list.includes(john);

console.log(result); // true

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Source: softhunt.net

Tags: contains contain

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Contributed on Apr 06 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

check if an object is an array or not in javascript

Comment

var arrayList = [1 , 2, 3];
console.log(Array.isArray(arrayList)) // true

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 04 2023

Amjad Saeed

0 Answers Avg Quality 2/10

JavaScript Check an object is an array or not

Comment

<!DOCTYPE html>
<html>
<body>
<p>Click the button to check if "fruits" is an array.</p>
<button onclick="checkArrayValueOrNot()" id="btnClick">Click </button>
<p id="demo"></p>
<script>
function checkArrayValueOrNot() {
var states =["Maharashtra","Tamil Nadu","Uttar Pradesh","West Bengal","Delhi"];
var x = document.getElementById("demo");
x.innerHTML = Array.isArray(states);
}
</script>
</body>

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Source: www.enjoysharepoint.com

Tags: javascript j

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Contributed on Sep 08 2022

Lucky Lizard

0 Answers Avg Quality 2/10

Check if an array contains a object in javascript

Comment

-2

const list = [{
    'name': 'John Doe',
    'email': 'john.doe@example.com'
}, {
    'name': 'Jane Doe',
    'email': 'jane.doe@example.com'
}];

const isEqual = (first, second) => {
    return JSON.stringify(first) === JSON.stringify(second);
}

const result = list.some(e => isEqual(e, {
    'name': 'John Doe',
    'email': 'john.doe@example.com'
}));

console.log(result); // true

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: softhunt.net

Tags: contains contain

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Contributed on Apr 06 2022

Outrageous Ostrich

0 Answers Avg Quality 2/10

How can I check if an object is an array

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