Javascript DOM HTML Document getElementsByTagName() Method get all elements

Introduction

Using the "*" parameter.

Get all elements in the document: 

var x = document.getElementsByTagName("*");

Click the button to display the innerHTML of the UL element whose index is 3.

View in separate window 

<!DOCTYPE html>
<html>
<body>

<p>An unordered list:</p>
<ul>
  <li>CSS</li>
  <li>HTML</li>
  <li>Java</li>
</ul>/*w  w  w  .j  ava 2  s.c o  m*/
<button onclick="myFunction()">Test</button>

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

<script>
function myFunction() {
  var x = document.getElementsByTagName("*");
  document.getElementById("demo").innerHTML = x[3].innerHTML;
}
</script>

</body>
</html>



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