How to Disable Copy Paste In Blogger Blog?

Steps:
1. Go to Blogger Dashboard > Layout 
2. Click on Add a gadget > HTML/JavaScript > Edit HTML
3. Copy and Paste the Given Below Code

<!-- START disable copy paste -->
<script src='demo-to-prevent-copy-paste-on-blogger_files/googleapis.js'></script>
<script type='text/javascript'> 
if(typeof document.onselectstart!="undefined" ) {document.onselectstart=new Function ("return false" ); } 
else{document.onmousedown=new Function ("return false" );document.onmouseup=new Function ("return false"); } 
</script>
<!-- End disable copy paste -->

4. Save the open window