!7

html {
  ret htitle("Web Worker-Less Calc Test")
    + hbody(
      p("Count numbers: " + hfulltag("output", "", id := "result"))
  + hjavascript([[
    var startTime, i = 0;
    
    function go() {
      if (!startTime) startTime = new Date();
      while (true) {
        i = i+1;
        if ((i % 1000000) == 0) {
          var ms = new Date()-startTime;
          var mips = (i/ms/1000).toFixed(2);
          document.getElementById("result").innerHTML = "Counted to: " + i + " in " + ms + " ms ("
            + mips + " million steps/s)";
          setTimeout(go, 0);
          break;
        }
      }
    }
  ]]).replace("$LINK", jsQuote(relativeRawBotLink(programID(), "worker.js"))), onLoad := "go()");
}

Began life as a copy of #1013783