How can I stop the browser back button using JavaScript?

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没有蜡笔的小新
没有蜡笔的小新 2020-11-22 00:07

I am doing an online quiz application in PHP. I want to restrict the user from going back in an exam.

I have tried the following script, but it stops my timer.

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  •  暗喜
    暗喜 (楼主)
    2020-11-22 01:08

        history.pushState(null, null, location.href);
        window.onpopstate = function () {
            history.go(1);
        };
    

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