Tried it with code:
https://bellard.org/quickjs/pi_bigdecimal.js
This code uses the QuickJS bigdecimal type to calculate the value of pi to a given precision. It does this by using the Chudnovsky algorithm, which is a series of calculations that can be used to approximate pi. The code is written in Javascript and uses BigInt and BigDecimal to perform the calculations. It is interesting to note that the code also takes into account the possibility of bad rounding for the last digits, and adds extra digits to reduce the probability of this happening.