String.prototype.toString()
The toString() method returns a string representing the
specified object.
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:
var x = new String("Hello world");
console.log(x.toString()); // logs 'Hello world'
The following example displays the binary value of a String object:
var x = new String("13");
console.log(parseInt(x).toString(2)); // logs '1101'
The following example displays the binary value of a Number object:
var 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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