JavaScript BigInt Complete Reference

BigInt is an inbuilt object in JavaScript that provides a way to represent whole numbers larger than 2⁵³-1 which is the largest number that can represent with the Number primitive. It is represented by the MAX_SAFE_INTEGER constant.

The complete methods of the JavaScript BigInt object are listed below:

Example: This example creates a BigInt by appending n at the end of the number.

Javascript

<script>
    // Decimal format
    var bigNum = 123422222222222222222222222222222222222n
    console.log(bigNum)

    // Hexadecimal format
    var bigHex = 0x1ffffffeeeeeeeeefn
    console.log(bigHex)

    // Binary format
    var bigBin = 0b1010101001010101001111111111111111n
    console.log(bigBin)
</script>

Output:

123422222222222222222222222222222222222n
VM41:6 36893488074118328047n
VM41:10 11430854655n

JavaScript BigInt Static Methods

JavaScript BigInt Static Methods	Descriptions
asIntN()	Wrap a BigInt value to a signed integer between -2width-1 and 2width-1-1.
asUintN()	Wrap a BigInt value to an unsigned integer between 0 and 2width-1.

JavaScript BigInt Instance Methods

JavaScript BigInt Instance Methods	Descriptions
toLocaleString()	Return a string with a language-sensitive representation of this BigInt.
toString()	Return a string representing the specified BigInt object.
valueOf()	Return the wrapped primitive value of a BigInt object.

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