Add Print Button to List/Library form in SharePoint 2013 using jQuery

To Add the Print button, Open SharePoint list in browser, go to List Tab -> Customize List Tab -> Form Web Parts and then click on Default Display Form as shown in the fig below:

Then in this page, click on Add a Web Part 

and then from the web part Categories select Media and Content and then select Content Editor web part as shown in the fig below:

Then in the Content Editor web part click on Click here to add new content, then click on FORMAT TEXT -> Markup -> Edit Source as shown in the fig below:

Then in the HTML Souce, Add the below code as shown below:

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.2/jquery.min.js" type="text/javascript"></script><script>

$(document).ready(function() {

  $('.printList').click(function() { 

  window.print(); 

  return false; 

  });

});</script>

<style> 

.printList{ 

    color:#666666; 

    font-weight:bold; 

    cursor:pointer; 

}

.printList:hover{ 

color:#333333; 

font-weight:bold; 

cursor:pointer; 

}

</style>

<button class="printList">Print This Item</button>