Whenever I submit the "Add Bill" form, nothing happens until I refresh the page. That's when I see my new item in the Twig loop. The same problem happens when I click on the Remove link. Nothing is removed (visually) until I refresh the page. Whenever I submit the "Add Bill" form, nothing
阅读背景：
在没有页面刷新的情况下制作Ajax和PHP更新页面？
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