Custom Array Filter higher-order function
how to code custom array filter function

Custom Array Filter higher-order function

Akmal Norqobilov Akmal Norqobilov

Akmal Norqobilov

JavaScript/TypeScript/Vuejs/Nodejs developer

发布日期: 2023年9月27日
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A few lines code on the picture show how to make custom higher-order function in JavaScript. New myFilter method is declared in Array prototype and contains function with an argument as callback function. In function, in condition, three arguments is sent into callback function. If condition is true, checked item is pushed into newArray. Eventually, the function return newArray.

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