How JavaScript uses the cached function

This article will explain in detail how JavaScript uses the cached function. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Cached: memory function: cache the operation result of the function

Function cached (fn) {let cache = Object.create (null); return function cachedFn (str) {let hit = cache [str]; return hit | (cache [str] = fn (str))} what JavaScript can do. It can make web pages interactive, such as responding to user clicks and providing users with a better experience. two。 You can process forms, verify user input, and provide timely feedback to save users time. 3. The page can be created dynamically according to the user's operation. 4 using JavaScript, you can set up some temporary information that cookie stores on the browser.

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