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JavaScript limits input and paste (ie and Firefox 3.x test pass) _javascript tips

Source: Internet
Author: User
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<ptml> <pead> <script type= "Text/javascript" > Function Uploadkey (e) {(document.all)? true:false) = = true? (Window.event.returnValue = False): E.preventdefault (); } </script> </pead> <body> <input name= "textfield3" type= "file" class= "input" id= "textfield3" siz E= "value=" "onkeydown=" Uploadkey (event); "Onpaste=" return false; "onmousedown=" Document.oncontextmenu = function ( ) {return false;} onmouseout= ' Document.oncontextmenu = function () {return true;} ' style = ' ime-mode:disabled '/> </body> </pt Ml>
[Ctrl + A All SELECT Note: If the need to introduce external JS need to refresh to perform]


But this code is below the Firefox 2.x, still can't support the function of Onpaste (), the good news is that the 3.x version of Firefox supports a function

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