String.prototype.toString()

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

Try it

Syntax

toString();

Return value

A string representing the calling object.

Description

The String object overrides the toString() method of the Object object; it does not inherit Object.prototype.toString(). For String objects, the toString() method returns a string representation of the object and is the same as the String.prototype.valueOf() method. Using toString() on a Number object returns the binary equivalent. Using parseInt().toString() on a String object returns the binary equivalent.

Examples

Using toString()

The following example displays the string value of a String object:

const x = new String("Hello world");

console.log(x.toString()); // logs 'Hello world'

The following example displays the binary value of a String object:

const x = new String("13");

console.log(parseInt(x).toString(2)); // logs '1101'

The following example displays the binary value of a Number object:

const x = new Number(13);

console.log(x.toString(2)); // logs '1101'

Specifications

Specification
ECMAScript Language Specification
# sec-string.prototype.tostring

Browser compatibility

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See also