To Prevent Right Click on web page

When we create a web page. and we want no one copy our content or save images of our web page by right click on page. here is the one way to prevent this situation.
 

<script>
document.oncontextmenu  = function(){ return false;}
</script>


Note : There are many ways to save or copy text or images. But this is only to stop right clicking on our web page.