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  <title>Pascal triangle multiplicative method</title>
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  <h1>Pascal's triangle</h1>
  <pre id=out></pre>
  <script>document.getElementById("out").textContent=function(t){var n,o,r=[];for(n=0;n<t;n++){var e=1,u="",a=[];for(o=0;o<t-n-1;o++)u+="   ";for(o=0;o<=n;o++)a.push(String(e).padStart(6," ")),e=Math.round(e*(n-o)/(o+1));r.push(u+a.join(""))}return r.join("\n")}(5)</script>
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JavaScript Pascal's Triangle — Multiplicative Method (Try It)