JAVASCRIPT

in javascript check is is an array or not

Array.isArray(yourItem)

Check If Something Is An Array or Not

Array.isArray(something);

how to check value is array or not in javascript

// 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

how to check if something is array javascript

function isArray(value) {
    return Object.prototype.toString.call(value) === "[object Array]";
}

Check if value is array

Method 1: Using the isArray method
Array.isArray(variableName)'

Method 2:
variable instanceof Array

Method 3:
variable.constructor === Array

check variable is array or not in javascript

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