Git The man page describes Git as “the stupid content tracker”. Links git-scm.com … Read more

create-react-app It is a command-line interface that provides an ability to create simple React … Read more

command-line interface It is a program that has interface which is based on commands Examples … Read more

Unit testing is one of the greatest ways to write effective code. In this article, I want to … Read more

Front End Side of development that responsible for client-side or UI of the application. Read more

Back End Side of development that responsible for server-side of the application. Read more

WebKit A Web browser engine developed by Apple. It’s used in Safari Web browser. It was … Read more

Web browser An application that provides an ability to view web pages and more. Examples … Read more

Puppeteer Puppeteer is a Node library that provides API to control Chrome-based browser by … Read more

Google Chrome A Web browser that made by Google company, based on Chromium project. Links … Read more

Google IT company Products: google.com Google Chrome Read more

Firefox A Web browser that developed by Mozilla Corporation and Mozilla Foundation Links … Read more

Don’t use arrow function inside mockImplementation with this (Jest) When using the arrow … Read more

Chromium The open-source project which code can be compiled into a Web browser, developed by … Read more

Using “table” in method it.each of Jest test.each`table`(name, fn, timeout) 1 2 3 4 5 … Read more

The problem with mutation of object data in Jest Let’s say we have some method that just … Read more

Test of async method in Jest An example of code: 1 2 3 4 5 6 7 8 9 10 module.exports = { … Read more

Stub Contains specific rules like: if parameters are x1, x2 then result is y (2, 3) => [5] … Read more

Spy (in testing) Method that is spying on some function (that you need) It is tracking … Read more

Debugging in Jest Add breakpoint in test: 1 2 3 4 5 6 7 8 it.each` a | b | result ${1}| ${2}| … Read more