Perform BigInt Datatype In JavaScript
In JavaScript, assigning of a value will indicate the data type. Get the data type of any object using the built-in typeof function.
The BigInt type is for storing large integers that can be beyond the safe integer limit. Unsigned right shift (>>>) can not be done on a BigInt.
BigInt is designed to work with arbitrary-precision integers, not floating-point numbers. BigInt data types can be positive or negative. Scientific numbers with the letter “e” can be used to indicate the power of 10..
Common Syntax Of BigInt Datatype In JavaScript
Glossary:
Data Type
Collection or grouping of data values.
Precision
Measure of detail in which the quantity is expressed.
Accuracy
Measures the deviation between the set point and the actual output.
Common BigInt Datatype
| Name | Description | Example |
|---|---|---|
| toString() | Returns number as a string. | str1 = num1.toString(); |
| toExponential() | Returns number in exponential notation. | num2 = num1.toExponential(2); |
| valueOf() | Returns number as number. | num2 = num1.valueOf(); |
| Number() | Returns converted number. | num2 = Number(10n); |
| parseInt() | Returns whole number. | num2 = parseInt(“10n”); |
| Name | Description | Example |
JavaScript BigInt Datatype Snippet
// OjamboShop.com Learning JavaScript BigInt Datatype Tutorial
// Data Type
my_int = 10n;
console.log(my_int); // Console Prints 10n
console.log(typeof(my_int)); // Console Prints bigint
// Casting Integers
let int1 = Number(5n); // Will be 5
let int2 = Number(9n); // Will be 9
console.log(int1); // Console Prints 5
console.log(int2); // Console Prints 9
// Integer Numbers
let int4 = 5n;
let int5 = 3n;
let int6 = -9n;
console.log(int4); // Console Prints 5n
console.log(int5); // Console Prints 3n
console.log(int6); // Console Prints -9n
// Manipulating Numbers
let int7 = 1234567890123456789012345678901234567890n;
console.log(int7.toString());
console.log(int7.toLocaleString('en-US', {notation: 'scientific', maximumFractionDigits: 2})); // Exponential
console.log(int7.valueOf(2));
console.log(Number(int7));
console.log(parseInt(int7));
Usage
You can use any IDE or text editor and the web browser to compile and execute JavaScript code. For this tutorial, the OjamboShop.com Learning JavaScript Course Web IDE can used to input and compile JavaScript code for the BigInt data type.
Open Source
JavaScript follows the ECMAScript standard and is licensed under the W3C Software License by web browser vendors and runtime environment vendors. This allows commercial use, modification, distribution, and allows making derivatives proprietary.
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Conclusion:
JavaScript makes it easy to use the BigInt data type. Use the BigInt data type to store integer values that are too big to be represented by a normal numric data type.
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