Category: Javascript

Hi, when we are working with web applications is important to know that we can use the Network activity tap to inspect if our request are ok or not for example.  …

Hi, In this post I will explain about useCallback of React, and for this example we have a Parent component and Child component and we pass a function that get data from…

Hi, is important to know how can we increment performance in our components that lives in a React application, I have a post where I made mention of react "memo" well th…

Hi, a shallow comparison happen if 2 values are equals in case of primitive types (is data that is not an object and has no methods) like:  string, number, bigint, …

Hi, If we are working with functional components and the props of that component never change then also the input of this component will never change, we can say that th…

Hi, in the last post we saw the definition about reduce method, etc. but in this post we are going to practice the reduce method and see how this method works in practic…

Hi, is important to know how the reduce method works because in that way we can solve some task with less effort.  …

Hi, in this React code I have an array of objects with property name that is a string that simulate the name of the file with different extensions.  We are going to g…

Example: An asynchronous request to a web service that returns data: …

Hi, One important thing that we need to learn about Javascript code is how Javascript code is executed. Every browser implement a Javascript engine and this engine re…