版权声明：本文为博主原创文章，未经博主允许不得转载。 https://blog.csdn.net/vernice/article/details/72972944
<script>
history.pushState(null, document.title, location.href);
window.addEventListener('popstate', function (event)
{
history.pushState(null, document.title, location.href);
});
window.location.hash="no-back-button";
window.location.hash="Again-No-back-button";//again because google chrome don't insert first hash into history
window.onhashchange=function(){window.location.hash="no-back-button";}
</script>