Kai's Breguet Range Equation Calculator <br><br><br>

INPUT: <br><br>
Input Label Example 1: <input id="test1" placeholder="test1 placeholder"></input><br>
Input Label Example 2: <input id="test2" placeholder="test2 placeholder"></input><br>
Input Label Example 3: <input id="test3" placeholder="test3 placeholder"></input><br>

<br>
<button onclick="calculate()">Run Calculation!</button>

<br><br><br>
OUTPUT: <br><br>
Flight time: <span id="time">Example Time</span><br>
Flight range: <span id="range">Example Range</span>



<script>
function calculate() {
  var time = 0;
  var range = 0;

  test1 = parseFloat(document.getElementById("test1").value);
  test2 = parseFloat(document.getElementById("test2").value);
  test3 = parseFloat(document.getElementById("test3").value);

  time = test1 + test2;
  range = time * test3;

  document.getElementById("time").innerHTML = time;
  document.getElementById("range").innerHTML = range;

}
</script>