This is a collection of common useful scripts that are handy when you do any kind of developemt on the Ethereum Virtual Machine aka EVM. Inspired by this SE question
Load into HTML page
build/geth.min.js in your html
HEAD and start using these fucntions in browser
console and/or custom script.
Load into geth console
loadScript('YOURPATH/build/geth.min.js'); and use it.
Detailed documentation is here.