var hiddenProperty = 'hidden' in document ? 'hidden' : 'webkitHidden' in document ? 'webkitHidden' : 'mozHidden' in document ? 'mozHidden' : null ; var visibilityChangeEvent = hiddenProperty.replace( /hidden/ i, 'visibilitychange' ); var onVisibilityChange = function (){ if (document[hiddenProperty]) { console.log( '页面非激活' ); } else { console.log( '页面激活' ) } } document.addEventListener(visibilityChangeEvent, onVisibilityChange);
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