javascript - Can mobile h5 detect refreshing or leaving the page?

Question

Can I monitor the page refresh or leave this page on the mobile h5 page?

ringa_lee · Answer

You can use onbeforeunload and onunload

迷茫 · Answer

You can use HTML5’s Page Visibility API

document.visibilityState: Values representing the following 4 possible states:
hidden: the page is in the background tab or the browser is minimized
visible: the page is in the foreground tab
prerender: the page performs pre-rendering processing off the screen document. The value of hidden is true
unloaded: The page is being unloaded from memory
Visibilitychange event: This event is triggered when the document changes from visible to invisible or from invisible to visible.

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