index.js

const Web3 = require('web3') 
const Web3Legacy = require('web3legacy')
console.log('web3 version', (new Web3()).version)
console.log('web3 legacy version', (new Web3Legacy()).version)
// Do "export INFURA_PROJECT_ID=YOURPROJECTID" on your terminal
const projectid = process.env.INFURA_PROJECT_ID
const endpoint = 'https://mainnet.infura.io/v3/' + projectid
const provider = new Web3.providers.HttpProvider(endpoint)
const legacyProvider = new Web3Legacy.providers.HttpProvider(endpoint)
const web3 = new Web3(provider)
const web3legacy = new Web3Legacy(legacyProvider)
async function call(){
    console.log('latest web3')
    console.log('blocknumber', await web3.eth.getBlockNumber())

    console.log('lagacy web3')
    console.log('blocknumber', await web3legacy.eth.getBlockNumber())
}
call()

package.json

{
  "name": "ethereum-ens-versions",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "ethereum-ens": "^0.7.7",
    "web3": "^1.0.0-beta.55",
    "web3legacy": "npm:[email protected]"
  }
}