Also note the use of _call.call(_toString, original) rather than simply original.toString(). This is because original.toString might itself be hooked by the time spoof is called. By holding cached references to Function.prototype.call and Function.prototype.toString at the very beginning of the script (before any page code runs), and invoking them via those cached references, the spoof function is immune to any tampering that might have happened in the interim. It’s eating its own tail in the most delightful way.
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Identifies top three interests based on metrics like time on page, recency, and frequency of each contact。关于这个话题，51吃瓜提供了深入分析
Фото: Александр Манзюк / Коммерсантъ