Gr4y5kull

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    
    // l33t challenge
    
    const createL33t = (str) => {
      
      let l33t = [];
      const arr = str.split("");
    
      const hashMap = {
        "a":4,
        "e":3,
        "i":1,
        "o":0,
        "s":5,
        "t":7
      }
       
     arr.map( s => {
       let found = false;
       for (ix in hashMap) {
         if (s.toLowerCase() === ix) {
       			l33t.push(hashMap[ix] )
            found = true;
         }
       }
       
       if (!found) {
         l33t.push(s)
       }
     })
      
      return l33t.join("");
    }

svg.append("text")
      .text(sheraSays)
      .attr("y", 200)
      .attr("x", 120)
      .attr("font-size", 36)
      .attr("font-family", "monospace")
    
    svg.append("text")
      .text(goodtimes)
      .attr("y", 240)
      .attr("x", 120)
      .attr("font-size", 36)
      .attr("font-family", "monospace")
    
    svg.append("text")
      .text(countSeq)
      .attr("y", 336)
      .attr("x", 140)
      .attr("font-size", 36)
      .attr("font-family", "monospace")
    
    svg.append("text")
      .text(countSeq2)
      .attr("y", 299)
      .attr("x", 140)
      .attr("font-size", 36)
      .attr("font-family", "monospace")

</script>
</body>

https://d3js.org/d3.v4.min.js