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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  •  既然无缘
    2020-11-22 00:58

    This code tested with latest Chrome and Firefox browsers.

        
    

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