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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Object.defineProperty()</h2>
​
<p>This example changes a property value.</p>
​
<p id="demo"></p>
​
<script>
// Create an object:
var person = {
  firstName: "John",
  lastName : "Doe",
  language : "EN" 
};
// Change a property
Object.defineProperty(person, "language", {value:"NO"})
document.getElementById("demo").innerHTML = person.language;
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_object_es5_3 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:39:36 GMT -->
</html>
​
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