有没有办法用Javascript跟踪标签的焦点?

2022-01-15 00:00:00 analytics event-handling javascript google-analytics dom-events
  • 我们需要跟踪用户在网站上的有效时间
  • 大多数用户在完成后会保持标签页处于打开状态并移至另一个标签页
  • 现场时间非常不准确

是否有 Javascript 事件来跟踪当前选项卡的失去焦点"?

Is there a Javascript Event to track the "loss of focus" of the current tab ?

推荐答案

这应该适用于标签切换和浏览器窗口失去焦点:

This should work both on tab switch and on browser window losing focus:

function onBlur() {
    document.body.className = 'blurred';
};
function onFocus(){
    document.body.className = 'focused';
};

if (/*@cc_on!@*/false) { // check for Internet Explorer
    document.onfocusin = onFocus;
    document.onfocusout = onBlur;
} else {
    window.onfocus = onFocus;
    window.onblur = onBlur;
}

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