JavaScript Object toString()
Examples
Using toString() on an array:
const fruits = ["Banana", "Orange", "Apple", "Mango"];
let text = fruits.toString();
Try it Yourself »let text = fruits.toString();
Using toString() on an object:
const person = {
firstName: "John",
lastName: "Doe",
age: 50,
eyeColor: "blue"
};
const keys = person.toString();
Try it Yourself »firstName: "John",
lastName: "Doe",
age: 50,
eyeColor: "blue"
};
const keys = person.toString();
Using Object.toString() on an object:
const person = {
firstName: "John",
lastName: "Doe",
age: 50,
eyeColor: "blue"
};
const keys = Object.toString(person);
Try it Yourself »firstName: "John",
lastName: "Doe",
age: 50,
eyeColor: "blue"
};
const keys = Object.toString(person);
Description
ThetoString() method returns an object as a string.
ThetoString() method returns "[object Object]" if it cannot return a string.
Object.toString() always returns the object constructor.
ThetoString() method does not change the original object.
Note
Every JavaScript object has atoString() method.
ThetoString() method is used by JavaScriptwhen an object needs to be displayed as a text (like in HTML),or when an object needs to be used as a string.
Browser Support
toString() is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera |
Syntax
object.toString()
Parameters
| NONE |
Return Value
| A string representing the object. Or "[object type]" if it cannot return a string. |
