Javascript DOM HTML Meta content Property set

Introduction

Change the value of the content attribute of the third meta element with index 2 in head: 

document.getElementsByTagName("META")[2].content = "new value";

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<!DOCTYPE html>
<html>
<body>
<head>
  <meta name="description" content="this is a description">
  <meta name="keywords" content="test example tutorial">
  <meta name="author" content="java2s.com">
</head>//from  www .j a  v a 2s. c o  m
<button onclick="myFunction()">Test</button>

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

<script>
function myFunction() {
  document.getElementsByTagName("META")[2].content = "new value";
  document.getElementById("demo").innerHTML = "The content in meta name 'author' was changed'.";
}
</script>

</body>
</html>



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