Block JavaScript code copied by right-click and ctrl + c on the webpage

Some websites will always block your right-click or copy with shortcut keys. In fact, it is just a piece of js Code. The solution is to save the webpage directly and then delete the following JavaScript code, then you can right-click the menu.
Of course, you can also solve the problem by setting the security level of the browser to the highest level.
Copy codeThe Code is as follows:
<Script>
Document. oncontextmenu = function (){
Return false;
}
Document. onkeydown = function (){
If (event. ctrlKey & window. event. keyCode = 67 ){
Return false;
}
}
Document. body. oncopy = function (){
Return false;
}
Document. onselectstart = function (){
// Return false;
}
</Script>