Code for disabling right-click and copy-paste functions in JS input text box_javascript skills

Copy code The code is as follows:

function click(e)
{
if (document .all)
{
if (event.button==1||event.button==2||event.button==3)
{
oncontextmenu='return false';
}
}
if (document.layers)
{
if (e.which == 3)
{
oncontextmenu='return false';
}
}
}
if (document.layers)
{
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;
document .oncontextmenu = new Function("return false;")
var trxdyel=true
var hotkey=17 /* hotkey is the key value of the hotkey, which is the ASII code, where 99 represents the c key*/
if (document.layers)
document.captureEvents(Event.KEYDOWN)
function gogo(e)
{
if (document.layers)
{
if (e. which==hotkey && trxdyel)
{
alert('Operation error. Maybe you pressed the wrong key!');
}
}
else if (document.all)
{
if (event.keyCode==hotkey&&trxdyel){ alert('Operation error. Maybe you pressed the wrong key!'); }}
}
document.onkeydown=gogo

Write the above JS code into a JS file, name it xp.js and put it into the Script folder. When quoting, you need to pay attention to setting Charset="gb2312", otherwise the information prompted will be garbled. Page reference:

Copy code The code is as follows:

1. The right mouse button will be completely blocked

Copy code The code is as follows:

oncontextmenu="window.event.returnValue=false"
< ;table border oncontextmenu=return(false)> no can be used in Table
function click() {
if (event.button==2) {
alert(' Sorry, right click is disabled on this page! ')
}
}
document.onmousedown=click

2. Deselect and prevent copying

Copy code The code is as follows:

3. Pasting is not allowed

Copy code The code is as follows:

onpaste= "return false"

4. Prevent copying

Copy code code As follows:

oncopy="return false;" oncut="return false;"

JavaScript shortcut key setting implementation code