C64 maze generator

maze.html

<pre style=line-height:.9;font-family:fantasy>
<script>
  const lineLength = document.querySelector('body').offsetWidth/10

  function writeLine() {
    for(let i = 1; i < lineLength; i++) {
      document.write(Math.random()<.5?"/":"\\")
    }
  }

  lineHeight = document.body.scrollHeight/10
  for(let i = 1; i < lineHeight; i++){
    writeLine()
    document.write('\n')
  }
</script>