禁止浏览器打开开发者工具

<script type="text/javascript">
    // 禁止鼠标右击
    document.oncontextmenu = function() {
        return false;
    };

    // 禁用开发者工具F12
    document.onkeydown = document.onkeyup = document.onkeypress = function(event) {
        let e = event || window.event || arguments.callee.caller.arguments[0];
        if (e && e.keyCode == 123) {
            e.returnValue = false;
            return false;
        }
    };

    // 检测浏览器类型
    let userAgent = navigator.userAgent;
    if (userAgent.indexOf("Firefox") > -1) {
        // Firefox浏览器特定操作
        let checkStatus;
        let devtools = /./;
        devtools.toString = function() {
            checkStatus = "on";
        };
        setInterval(function() {
            checkStatus = "off";
            console.log(devtools);
            console.log(checkStatus);
            console.clear();
            if (checkStatus === "on") {
                try {
                    window.open("about:blank", "_self");
                } catch (err) {
                    let a = document.createElement("button");
                    a.onclick = function() {
                        window.open("about:blank", "_self");
                    };
                    a.click();
                }
            }
        }, 200);
    } else {
        // 非Firefox浏览器特定操作
        let ConsoleManager = {
            onOpen: function() {
                alert("Console is opened");
            },
            onClose: function() {
                alert("Console is closed");
            },
            init: function() {
                let self = this;
                let x = document.createElement("div");
                let isOpening = false,
                    isOpened = false;
                Object.defineProperty(x, "id", {
                    get: function() {
                        if (!isOpening) {
                            self.onOpen();
                            isOpening = true;
                        }
                        isOpened = true;
                        return true;
                    }
                });
                setInterval(function() {
                    isOpened = false;
                    console.info(x);
                    console.clear();
                    if (!isOpened && isOpening) {
                        self.onClose();
                        isOpening = false;
                    }
                }, 200);
            }
        };
        ConsoleManager.onOpen = function() {
            // 打开控制台，跳转
            try {
                window.open("about:blank", "_self");
            } catch (err) {
                let a = document.createElement("button");
                a.onclick = function() {
                    window.open("about:blank", "_self");
                };
                a.click();
            }
        };
        ConsoleManager.onClose = function() {
            alert("Console is closed!");
        };
        ConsoleManager.init();
    }

    // 定时检测函数
    setInterval(function() {
        check();
    }, 1000);

    var check = function() {
        function doCheck(a) {
            if (("" + a / a)["length"] !== 1 || a % 20 === 0) {
                (function() {})["constructor"]("debugger")();
            } else {
                (function() {})["constructor"]("debugger")();
            }
            doCheck(++a);
        }
        try {
            doCheck(0);
        } catch (err) {}
    };
    check();

    // 禁止右击和按键
    window.oncontextmenu = function() {
        return false;
    };
    window.onkeydown = window.onkeyup = window.onkeypress = function() {
        window.event.returnValue = false;
        return false;
    };

    // 检测窗口尺寸变化
    var h = window.innerHeight,
        w = window.innerWidth;
    window.onresize = function() {
        if (h != window.innerHeight || w != window.innerWidth) {
            window.location = "";
        }
    };
</script>