April 2018
Intermediate to advanced
284 pages
5h 46m
English
Content preview from Simplifying JavaScript
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| Tip 34 | Maintain Single Responsibility Parameters with Partially Applied Functions |
In this tip, you’ll learn to keep parameters focused with partially applied functions.
In the last tip, you saw how you can easily create higher-order functions with arrow functions. If you come from an object-oriented background or just haven’t seen much code that uses higher-order functions, you may have problems understanding when you should use higher-order functions.
Higher-order functions provide unique value by locking in parameters so you can complete the function later while still maintaining access to the original arguments. They also isolate parameters so you can keep intentions clear. In the next tip, you’ll see more about locking in parameter data. ...
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