javascript - 检查页面是否在JavaScript中重新加载或刷新(Check if page gets reloaded or refreshed in JavaScript)

Question

I want to check when someone tries to refresh a page.

(我想检查有人试图刷新页面的时间。)

For example, when I open a page nothing happens but when I refresh the page it should display an alert.

(例如，当我打开一个页面时没有任何反应，但是当我刷新页面时，它应该显示一个警告。)

  ask by Ahmed translate from so

Answer 1

A better way to know that the page is actually reloaded is to use the navigator object that is supported by most modern browsers.

(知道页面实际重新加载的更好方法是使用大多数现代浏览器支持的导航器对象。)

It uses the Navigation Timing API .

(它使用Navigation Timing API 。)

 //check for Navigation Timing API support if (window.performance) { console.info("window.performance works fine on this browser"); } if (performance.navigation.type == 1) { console.info( "This page is reloaded" ); } else { console.info( "This page is not reloaded"); } 

source : https://developer.mozilla.org/en-US/docs/Web/API/Navigation_timing_API

(来源： https ： //developer.mozilla.org/en-US/docs/Web/API/Navigation_timing_API)