Introduction to this binding in Javascript _ javascript tips-js tutorial

Source: Internet
Author: User
In Javascript, when a function is called, in addition to accepting Declaration as a defined form parameter, each function also accepts two additional parameters: this and arguments. The specific value of this depends on the call mode.
* Method call mode: this is bound to this object.
* Function call mode: this is bound to a global object. A webpage is bound to a window.
* Constructor call mode: this is bound to the newly generated object.
* The event processing call mode can be divided into two situations:
* This is bound to a global object.

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