check variable is array or not in javascript

ashirbad-panigrahi answered on January 8, 2021 Popularity 9/10 Helpfulness 2/10

answer check variable is array or not in javascript

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check variable is array or not in javascript

Comment

// npm i is-js-array 
const { isJSArray } = require("is-js-array");
isJSArray([]); // true
isJSArray({}); // false

Popularity 9/10 Helpfulness 2/10 Language javascript

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Tags: javascript

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Contributed on Aug 31 2021

ashirbad-panigrahi

0 Answers Avg Quality 2/10

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check if a variable is array in javascript

Comment

// inside if else check
if(Array.isArray(myVarToTest)) {
	// myVatToTest is an array
} else {
	// myVarToTest is not an array
}

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 08 2021

Vivacious Vendace

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how to check value is array or not in javascript

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// how to check value is array or not in javascript
const str = "foo";
const check = Array.isArray(str);
console.log(check);
// Result: false

const arr = [1,2,3,4];
const output = Array.isArray(arr);
console.log(output);
// Result: true

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jan 07 2022

Chetan Nada

0 Answers Avg Quality 2/10

js check if a variable is an array

Comment

let fruit = 'apple';
let fruits = ["apple", "banana", "mango", "orange", "grapes"];

const isArray = (arr) => Array.isArray(arr);

console.log(isArray.(fruit)); //output - false
console.log(isArray.(fruits)); //output- true

Popularity 9/10 Helpfulness 4/10 Language javascript

Source: dev.to

Tags: javascript j

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Contributed on Jan 24 2022

Worried Wasp

0 Answers Avg Quality 2/10

check variable is array or not in javascript

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