toString() in JavaScript – How to Convert Number to String
toString() converts a number to a string of a specified radix.
Syntax of the toString()
Method
Section titled “Syntax of the toString() Method”toString()
accepts only one optional argument. Here is the syntax:
number.toString(radix);
The radix
argument specifies the base into which you wish to convert the number.
Examples of the toString()
Method
Section titled “Examples of the toString() Method”Below are examples of the toString()
method.
Convert 45
to a decimal string
Section titled “Convert 45 to a decimal string”(45).toString();
// The invocation above will return: "45"
Note that the snippet above is equivalent to:
(45).toString(10);
// The invocation above will return: "45"
Convert 45
to a binary string
Section titled “Convert 45 to a binary string”(45).toString(2);
// The invocation above will return: "101101"
Convert negative 45
to a binary string
Section titled “Convert negative 45 to a binary string”(-45).toString(2);
// The invocation above will return: "-101101"
Convert 45
to an octal string
Section titled “Convert 45 to an octal string”(45).toString(8);
// The invocation above will return: "55"
Convert 45
to a hexadecimal string
Section titled “Convert 45 to a hexadecimal string”(45).toString(16);
// The invocation above will return: "2d"
Convert 45
to a vigesimal string
Section titled “Convert 45 to a vigesimal string”(45).toString(20);
// The invocation above will return: "25"