Web3 simple example

gistfile1.txt

var Web3 = require('web3');

const web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:7545"));

var balance = 0;
web3.eth.getBalance('0xfb71B55C0C526638e1d6b3DA7598a1b3785d30f8', function(err, wei) {
    balance = web3.utils.fromWei(wei, 'ether')

    console.log(balance);
});