jQuery prepend()

Introduction

Insert content at the beginning of all <p> elements:

<!DOCTYPE html>
<html>
<head>
<script 
 src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js">
</script>//from w  w  w .  j  av a2 s.  c  o  m
<script>
$(document).ready(function(){
  $("#btn1").click(function(){
    $("p").prepend("<b>Prepended text</b>. ");
  });
  $("#btn2").click(function(){
    $("ol").prepend("<li>Prepended item</li>");
  });
});
</script>
</head>
<body>

<p>This is a paragraph.</p>
<p>This is another paragraph.</p>

<ol>
  <li>List item 1</li>
  <li>List item 2</li>
  <li>List item 3</li>
</ol>

<button id="btn1">Prepend text</button>
<button id="btn2">Prepend list item</button>

</body>
</html>

The prepend() method inserts content at the beginning of the selected elements.

To insert content at the end of the selected elements, use the append() method.

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

Parameter	Optional	Description
content	Required.	Specifies the content to insert Possible values: HTML elements jQuery objects DOM elements
function(index,html)	Optional.	sets a function that returns the content to insert index - the index position of the element in the set html - the current HTML of the selected element

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