Let's talk about two things: 1. usage of this pointer; 2. Differences between attachEvent of ie and addEventListener of firefox in event processing _ javascript skills

Source: Internet
Author: User
Let's talk about two things: 1. usage of this pointer; 2. Differences between attachEvent of ie and addEventListener of firefox in event processing. First thing.
This refers to a special clock in JavaScript, which points to the current object that calls this statement when the code is running.
If it is an event binding function, it points to the bound element itself.
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