The **`append()` method** inserts specified content at the end of selected elements.

# Syntax
```
$(selector).append(content,function(index,html))
```
**`content`** is the required parameter -- it can contain HTML tags. **`function`** is an optional parameter.


<!DOCTYPE html>
<html>
<center>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("#btn1").click(function(){
    $("p").append(" This text was Appended.");
  });
});
</script>
</head>
<body>

<p>Hello World.</p>

<button id="btn1">Click to append</button>

</body>
</center
</html>


codemirror

What is the append() function in JavaScript?

The append() method inserts specified content at the end of selected elements in JavaScript.