Javascript DOM HTML Output value Property get

Introduction

Get the result of a calculation: 

var x = document.getElementById("myOutput").value;

Click the button to display the result of the calculation.

View in separate window 

<!DOCTYPE html>
<html>
<body>

<form oninput="x.value=parseInt(a.value)+parseInt(b.value)">0
  <input type="range" id="a" value="50">100
  +<input type="number" id="b" value="50">
  =<output id="myOutput" name="x" for="a b"></output>
</form>//from w  w  w  .jav a 2s  .  com
<button type="button" onclick="myFunction()">Test</button>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("myOutput").value;
  document.getElementById("demo").innerHTML = x;
}
</script>

</body>
</html>



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