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<!DOCTYPE html>
<html>
<body>
​
<h2>JavaScript Getters and Setters</h2>
​
<p>Getters and setters allow you to get and set properties via methods.</p>
​
<p>This example has a modified setter to secure upper case uppdates of language.</p>
​
<p id="demo"></p>
​
<script>
// Create an object:
var person = {
  firstName: "John",
  lastName : "Doe",
  language : "",
  set lang(value) {
     this.language = value.toUpperCase();
  }
};
// Set an object property using a setter:
person.lang = "en";
// Display data from the object:
document.getElementById("demo").innerHTML = person.language;
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_es5_setter2 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 02:39:35 GMT -->
</html>
​
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