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<!DOCTYPE html>
<html>
<body>
​
<h2>The JavaScript constructor Property</h2>
​
<p>The constructor property returns the constructor function for a variable or an 
object.</p>
​
<p id="demo"></p>
​
<script>
document.getElementById("demo").innerHTML = 
  "john".constructor + "<br>" +
  (3.14).constructor + "<br>" +
  false.constructor + "<br>" +
  [1,2,3,4].constructor + "<br>" +
  {name:'john', age:34}.constructor + "<br>" +
  new Date().constructor + "<br>" +
  function () {}.constructor;
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_constructor_all by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:28:15 GMT -->
</html>
​
​
​
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