What does toString return in JavaScript?

What does toString return in JavaScript?

The toString() method returns a string representing the object.

When toString () method is invoked on an object what is returned?

A toString() is an in-built method in Java that returns the value given to it in string format. Hence, any object that this method is applied on, will then be returned as a string object.

What does the toString () method in the object class return?

toString() method returns a string representation of the object. In general, the toString method returns a string that “textually represents” this object. The result should be a concise but informative representation that is easy for a person to read.

How do you return an object to a string?

JavaScript Object toString() method returns the object as a string. By default, the Object toString() method is inherited by every object descended from the Object. If this method is not overridden in the custom object, toString() returns “[object type],” where type is an object type.

How do I use .toString in JavaScript?

The toString() method in Javascript is used with a number and converts the number to a string. It is used to return a string representing the specified Number object. The toString() method is used with a number num as shown in above syntax using the ‘. ‘ operator.

What is getClass method in Java?

The getClass() method of Writer Class in Java is used to get the parent Class of this Writer instance. This method does not accepts any parameter and returns the required Class details. Syntax: public final Class String getClass()

How do I use toString from another class?

This is happening because the statement – System. out. println(myobject) will call the myobject ‘s toString() and not toString(long,double).

How do you turn an object into a string in JavaScript?

Stringify a JavaScript Object Use the JavaScript function JSON. stringify() to convert it into a string. const myJSON = JSON. stringify(obj);

Why do I get object object in JavaScript?

[object Object] is a string version of an object instance. This value is returned by a JavaScript program if you try to print out an object without first formatting the object as a string.

What does tostring() return in JavaScript?

Note: Starting in JavaScript 1.8.5, toString () called on null returns [object Null], and undefined returns [object Undefined], as defined in the 5th Edition of ECMAScript and subsequent Errata. See Using toString () to detect object class.

What is the use of toString() method in Java?

Every object has a toString() method that is automatically called when the object is to be represented as a text value or when an object is referred to in a manner in which a string is expected. By default, the toString() method is inherited by every object descended from Object.

What happens if toString() is not overridden in Java?

If the “toString ()” method is not overridden in the custom object, it returns the output in the following form: “ [object type]” where “type” represents object type… therefore “type” is replaced by “Object” in case of the above example.

How do I get the string of an object in JavaScript?

First override toString for your object or the prototype: var Foo = function () {}; Foo.prototype.toString = function () {return ‘Pity the Foo’;}; var foo = new Foo (); Then convert to string to see the string representation of the object: //using JS implicit type conversion console.log (” + foo);