javascript - Is there an event to detect focus and blur on my window/tab -

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is there way detect whether user focused page? or possible detect whether page opened not in current tab focused?

read up

globaleventhandlers.onfocus
globaleventhandlers.onblur
window.focus()

javascript

window.onfocus = function() { console.log('yeah, got focus'); } window.onblur = function() { console.log('yeah, lost focus'); }

demo

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