Function randomVa

public/src/js/control.js:8–10

(max, min)

  //generate data
  function randomVa(max, min) {
    return Math.random() * (max - min) + min
  }
  window.dataRandom = setInterval(function() {
    valueList = {
      "Reactor Core (°C)": randomVa(870, 800),