Was the page navigated to using back or forward button?

[mgrubinger]

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date: '2021-01-12' short: 'using PerformanceNavigationTiming.type'

window.performance.getEntriesByType("navigation")[0].type === "back_forward";

This is how to detect if a page was loaded because the user navigated via back or forward buttons.

Possible values:

• back_forward if the navigation happened because of a back or forward navigation
  • navigate if the navigation happened because of a regular navigation event (like clicking a link).
  • reload after reloading the page
  • prerender if the navigation has happened during a prerender hint

See PerformanceNavigationTiming.type on MDN