jQuery before()

0 1367

This jQuery method is used to add the given content before the selected HTML elements means this method insert a new element specified by the user before the every matched element.

Related Topics:

jQuery css

jQuery val

jQuery before

Syntax:

$(selector).before(content,function(index));

Parameter description:

content: This represents the contents which to be insert before the selected elements. It can be either plain text or it may contain HTML tags. It is a mandatory parameter. Possible values for this parameter are:

1 HTML elements

2 DOM elements

3 jQuery objects

function(index): This represents a function which used to return the content to insert. It is optional.
index: This parameter is used to get the index position of the element in the set.

Note:

If you want to insert the content after the selected elements then use after() method.

Example:

In this example we insert a new paragraph before the each <h3> element.

<html>
 <head>
 <title> jQuery Example </title>
 <script type = "text/javascript"
        src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js">
      </script>
<style>
.para1{
background:pink;
padding:10px;
}
button{
background:green;
padding:10px;
color:white;
border:1px solid green;
}
</style>
<script>
$(document).ready(function(){
 $("button").click(function(){
  $text="<p class='para1'>This is the newly inserted paragraph.</p>";
  $('h3').before($text);
});
});
</script>
 </head>
 <body>

<h2> jQuery before() Method Example </h2>
<h3> This is  heading1. </h3>
<h3> This is heading2. </h3>
<button> Click me! </button>
 </body>
</html>