Javascript Mask Right button Menu effect code

The simplest of all are shielded right button menu

The code is as follows
<script type= "Text/javascript" > Document.body.oncontextmenu=new function () {return false;}; </script>

We hope that in the input, text, textarea can be implemented right click, but on the other page to screen the right button menu

Instance Code

code as follows
<script type= "Text/javascript" //Screen right menu Docume Nt.oncontextmenu = function (event) { if (window.event) { event = window.event; } try{ var the = event.srcelement; if (!) ( (The.tagname = = "INPUT" && the.type.toLowerCase () = = "text") | | The.tagname = = "TEXTAREA") { return false; } return true; }catch (e) { return false; } } </script>