禁用网页F12键查看网页源代码

<script>document.onkeydown = function (e) {var currKey = 0, evt = e || window.event;currKey = evt.keyCode || evt.which || evt.charCode;if (currKey == 123) {layer.msg('呀呀呀，就是不给你看 >_<');window.event.cancelBubble = true;window.event.returnValue = false;}}</script>

转载于:https://www.cnblogs.com/jimmyLei/p/7568726.html