check if a value is an object in javascript

Code Rabbi answered on July 24, 2019 Popularity 9/10 Helpfulness 5/10

answer check if a value is an object in javascript

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related Check if a value is an object in javascript

check if a value is an object in javascript

Comment

const isObject = (obj) =>
	typeof obj === 'object' &&
	obj instanceof Object &&
	!Array.isArray(obj) &&
	obj.constructor !== Date;

isObject({ name: 'John', age: 34 }) // => true;
isObject([1,2,3,4]) // => false;
isObject(null) // => false;
isObject(new Date()) // => false;
isObject(function () {}) // => false;
isObject('Doe') // => false;
isObject(3.14) // => false;
isObject(NaN) // => false;

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript object

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Contributed on Sep 29 2023

Code Rabbi

0 Answers Avg Quality 2/10

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javascript check if variable is object

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let myObject = {
	firstname: 'harry',
  	lastname: 'potter'
}
//check the typeof if, boolean, object, string etc...
console.log(typeof myObject);
if(typeof myObject === 'object') {
	console.log('this is object');
}

Popularity 10/10 Helpfulness 10/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 09 2020

Excited Elk

0 Answers Avg Quality 2/10

javascript check if variable is object

Comment

//checks if is object, null val returns false
function isObject(val) {
    if (val === null) { return false;}
    return ( (typeof val === 'function') || (typeof val === 'object') );
}
var person = {"name":"Boby Snark"};
isObject(person);//true

Popularity 10/10 Helpfulness 5/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Jul 24 2019

Grepper

0 Answers Avg Quality 2/10

Check if a value is an object in javascript

Comment

const isObject = (obj) => obj === Object(obj)
console.log(isObject({})); // true
console.log(isObject({a:1})); // true
console.log(isObject(123)); //false

Popularity 9/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on May 21 2023

Chetan Nada

0 Answers Avg Quality 2/10

check if a value is an object in javascript

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check if a value is an object in javascript

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javascript check if variable is object

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