Answer1215

摘要： What we want to do is checking if user write nested if statements which actually can combine to one: Notice that if statement can write with block sta 阅读全文

摘要： We want to write a Babel Plugin, which move 'const versionRegex = /(/d+)\.(/d+)\.(/d+)/gi' out of function scope and put it into global scope. Code: A 阅读全文

摘要： To write a simple Babel plugin, we can use http://astexplorer.net/ to help us. The plugin we want to write is: We want to trasnform the code which hig 阅读全文

摘要： The advantage of RS256 over HS256 is RS256 no longer need to share the secret key between client and server side. To create a token, we need to privat 阅读全文

摘要： Here we want to test a toggle button component, when the button was click, state should change, style should change also. Toggle component: Test: 阅读全文

摘要： For example we have a React comonent: -- A toggle button, we want to test. When it si toggle on, the color is a little bit darken than it's not. Testi 阅读全文

摘要： For intergration tests, always remember when you create a 'mass' you should aslo clean up the 'mass'. For example when you start the server, you need 阅读全文

摘要： In this lesson, we will create a fluid loading animation using Animations and Transformations in CSS3. Summary: 阅读全文

摘要： We have express app: As you can see, we wrap Express App into a function 'startServer' and export it as default export. The return value of this funct 阅读全文

摘要： Stateful session management: Store session which associate with user, and store in the menory on server. Sign Up: Password validation: Random bytes ge 阅读全文