jQuery append()

The jQuery append() inserts content at the end of the selected elements.

Syntax:

$(selector).append(content,function(index,html))

Content:

Content is a compulsory parameter of the jQuery append() method, as it specifies the content to insert at the end of the selected element.
It can accept the following values: HTML elements, jQuery objects, and DOM elements.

Function:

It is an optional parameter.
The function parameter is used to return the inserted content.

Index:

The index is an argument passed within the function.
It is used to give an index position to an element in the set.

HTML:

It provides the current HTML of the selected element.

Example1:

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").append("How are you? ");
});
});
</script>
</head>
<body>
<p>Hello! </p>
<button>Click me</button>
</body>
</html>

Example2:

<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("ol").append("<li>Brain</li>");
});
});
</script>
</head>
<body>
<p>Do you have?</p>
<ol>
<li>Ear</li>
<li>Eyes</li>
<li>Nose</li>
</ol>
<button>Click me</button>
</body>
</html>

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