Javascript toString method with examples

javascript toString() method

toString() method exists in every object type of javascript. It is useful for Converting primitive type to a String object in javascript.

Learn the Number, String, and Boolean toString() method with examples.

Number toString() method in javascript

toString() method is defined number type in javascript. Which converts a string to a number. It uses to Convert Number to String in javascript

Syntax:

NumberObject.toString([radix])  

Parameter - Radix is an optional value ranging from 2 to 36 if any value is supplied out of this range, It throws ‘RangeError: toString() radix argument must be between 2 and 36’
2 represents base
8 represents the Octal Numeric value
16 represents hexadecimal Numeric value
Return - Return the numeric value of a string
Example
Following is an example of the Number.toString method

var numberObject = 50;  
console.log(numberObject.toString());  
console.log(numberObject.toString(2));  
console.log(numberObject.toString(8));  
console.log(numberObject.toString(16));  
console.log(numberObject.toString(54));  

output is

50  
110010  
62  
32  
Uncaught RangeError: toString() radix argument must be between 2 and 36  

String toString() method

This method is used to return the string value.
Syntax

StringObject.toString()  

Example
Following is an example of a String.toString() method

var stringObject = "test string";  
console.log(stringObject.toString());  

output is

  
test string  

Boolean toString() method

This method returns the string value of a Boolean object. It uses to Convert Boolean to String in javascript
Syntax:

BooleanObject.toString()  

Example:

var falseObject = new Boolean(false);  
console.log(falseObject.toString());  
var booleanObjFalse = new Boolean(0);  
var booleanObjTrue1 = new Boolean(1);  
var booleanObjTrue2 = new Boolean(14);  
console.log(booleanObjFalse.toString());  
console.log(booleanObjTrue1.toString());  
console.log(booleanObjTrue2.toString());  

Output is

false  
false  
true  
 true