一个JavaScript的任意精度的十进制类型：decimal.js

jopen 10年前

一个JavaScript的任意精度的十进制类型：decimal.js。

特性

更快，更小，或许更容易使用比Java版本的BigDecimal
简单的API，但功能齐全
Replicates the toExponential, toFixed, toPrecision and toString methods of JavaScript's Number type
Includes a toFraction and correctly-rounded exp, ln, log and sqrt functions
Supports non-integer powers
Works with numbers with or without fraction digits in bases from 2 to 64 inclusive
No dependencies
Wide platform compatibility: uses JavaScript 1.5 (ECMAScript 3) features only
Comprehensive documentation and test set
8 KB minified and gzipped

x = new Decimal(123.4567)  y = new Decimal('123456.7e-3')  z = new Decimal(x)  x.equals(y) && y.equals(z) && x.equals(z)        // true

一个JavaScript的任意精度的十进制类型：decimal.js