jquery disables the right key, text selection function, replication key implementation

Source: Internet
Author: User
Tags bind delete key

The code is as follows:

Disable right key, text selection, copy key

$ (document). Bind ("ContextMenu", function () {return false;});

$ (document). Bind ("Selectstart", function () {return false;});

$ (document). KeyDown (function () {return key (Arguments[0])});

Prompt warning when pressing

Function key (e) {

var keynum;

if (window.event) {

Keynum = E.keycode; Ie

}else if (E.which) {

Keynum = E.which; Netscape/firefox/opera

}

if (Keynum = = 17) {

Alert ("Prohibit copying content!");

return false;

}

}

Disable right key, text selection, copy key

$ (document). Bind ("ContextMenu", function () {return false;});

$ (document). Bind ("Selectstart", function () {return false;});

$ (document). KeyDown (function () {return key (Arguments[0])});

Prompt warning when pressing

Function key (e) {

var keynum;

if (window.event)//IE

{

Keynum = E.keycode;

}

else if (E.which)//Netscape/firefox/opera

{

Keynum = E.which;

}

if (Keynum = =) {alert ("Prohibit copying content!"); return false;}

}

Screen the right mouse button, CTRL + N, SHIFT+F10, F11, F5 refresh, backspace key

function Document.oncontextmenu () {event.returnvalue=false;} Mask right mouse button

function Window.onhelp () {return false}//Shield F1 Help

function Document.onkeydown () {

if ((Window.event.altKey) &&

((window.event.keycode==37) | |//Shielding ALT + Direction key ←

(window.event.keycode==39))) {//Shielding ALT + Direction key →

Alert ("You are not allowed to use ALT + arrow keys forward or back page!");

Event.returnvalue=false;

} if ((event.keycode==8) | |//SHIELDING BACKSPACE Delete key

(event.keycode==116) | | Mask F5 Refresh Key

(Event.ctrlkey && event.keycode==82)) {//ctrl+r

event.keycode=0;

Event.returnvalue=false;

}

if (event.keycode==122) {event.keycode=0;event.returnvalue=false;}//Mask F11

if (Event.ctrlkey && event.keycode==78) Event.returnvalue=false; Block CTRL + N

if (Event.shiftkey && event.keycode==121) Event.returnvalue=false; Shielding SHIFT+F10

if (window.event.srcelement.tagname== "A" && Window.event.shiftKey)

Window.event.returnvalue=false; Screen shift plus left mouse button new page open

if ((Window.event.altKey) && (window.event.keycode==115)) {//Shield ALT+F4

Window.showmodelessdialog ("About:blank", "" "," dialogwidth:1px;dialogheight:1px ");

return false;

}

}

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