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The This usage in JavaScript

Source: Internet
Author: User
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This is an important concept in object-oriented languages, where this is fixed to the current object at run time in large languages such as java,c#. However, in JavaScript, because of the dynamic nature of JavaScript (interpretation execution, and of course, a simple precompilation process), this point is determined at run time. This feature gives us a sense of confusion while also bringing programming freedom and flexibility, combined with the Apply (call) method, can make JS become exceptionally powerful.

The This usage in JavaScript

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