Javascript DOM HTML Element outerHTML Property get

Introduction

Alert the outer HTML of a <h1> element:

Click the button to alert the outer HTML of the h1 element:

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<!DOCTYPE html>
<html>
<body>

<h1>Get outerHTML</h1>
<p id="demo"></p>
<button onclick="myFunction()">Alert Header</button>

<script>
function myFunction() {/*from w  ww . j  a va2 s  .  com*/
  var x = document.getElementsByTagName("h1")[0];
  document.getElementById("demo").innerHTML = x.outerHTML;
}
</script>

</body>
</html>

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