PyPy.js: A fast, compliant Python implementation for the web(pypyjs.org)

    js.eval('var div = document.createElement("div"); div.style.width = "100px"; div.style.height = "100px"; div.style.background = "red"; div.style.color = "white"; div.innerHTML = "Hello"; document.body.appendChild(div);');

    js.eval('document.body.innerHTML += "<div></div>";');
    js.globals.document.body.innerHTML += "<div></div>"

    import js
    c = js.globals.document.createElement("canvas")
    js.globals.document.body.appendChild(c)
    ctx = c.getContext("2d")
    ctx.fillRect(10, 10, 10, 10)

    import js
    import math
    import time
    c = js.globals.document.createElement("canvas")
    js.globals.document.body.appendChild(c)
    ctx = c.getContext("2d")
    
    def render():
      ctx.clearRect(0, 0, c.width, c.height)
      t = time.time()
      ctx.fillRect(20+math.sin(t*10)*10, 20+math.cos(t*10)*10, 10, 10)
    
    js.globals.window.setInterval(render, 20)

    import js
    js.globals.console.log('hi!')

  import pip
  # pip.main expects a list of arguments, hence .split() 
  pip.main("install ipython".split())
     # Only needed first
     # time, as it installs ipython under site-packages.
     # Only works if the user has write access, obviously

  import IPython
  IPython.start_ipython()