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Why do I get an error when clicking the browser's back button?

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Release： 2016-08-18 09:15:58
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There is a link to page B on page A. Clicking the link can jump to page B. If I search for a piece of data on page A, search for the data and then click the link on page B (the data has nothing to do with page B). When entering page B If you then click the browser's return button to return to page A, an error will occur. If you do not search for data on page A and directly click the link to enter page B, and then click the browser's return button to return to page A, no error will occur. Why?

Why do I get an error when clicking the browser's back button?

Reply content:

There is a link to page B on page A. Clicking the link can jump to page B. If I search for a piece of data on page A, search for the data and then click the link on page B (the data has nothing to do with page B). When entering page B If you then click the browser's return button to return to page A, an error will occur. If you do not search for data on page A and directly click the link to enter page B, and then click the browser's return button to return to page A, no error will occur. Why?



Why do I get an error when clicking the browser's back button?

Is the search on page A a form submitted through POST?

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