禁止网页被复制

2023/11/07 JavaScript 2691 
document.oncontextmenu=new Function("event.returnValue=false;");
document.onselectstart=new Function("event.returnValue=false;");

document.onkeydown = function () {
	if (window.event && window.event.keyCode == 123) {
		event.keyCode = 0;
		event.returnValue = false;
		return false;
	}
}