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This instance analysis in JavaScript _ javascript tips-js tutorial

Source: Internet
Author: User
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After several years of web development, I thought I had written a lot of JavaScript code. When I could really explain this, I found it was not that simple. It took some time to write a few demos, let's take a look. It seems that this sentence is quite reasonable to know the gains and losses in the eyes of others.

Demo 1:
If it is a global function, this is equivalent to a window object. Various attributes or methods defined in the function can be accessed outside the function, provided that the function needs to be called.

The Code is as follows:


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