October 2023
Intermediate to advanced
1104 pages
28h 11m
English
Content preview from Professional JavaScript for Web Developers, 5th Edition
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9Proxies and Reflect
Proxies and reflection are constructs that afford you the ability to intercept and shim additional behavior into fundamental operations within the language. More specifically, you can define a proxy object associated with a target object, and the proxy object can be used as an abstracted target object within which you can control what happens when various operations are performed before they actually reach the target object.
For developers approaching this subject for the first time, this is a fairly nebulous concept paired with a healthy corpus of new terminology. Working through multiple examples will help to cement your understanding.
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