super()?.In a child class, you use
super() to call its parent’s constructor and
“Off The Main Thread”
The UI for this varies from browser to browser, but generally you’ll see a little window pop up front and center in a very show-stopping way that contains the message you just passed. Here’s Firefox and Chrome:
Native popups in Firefox (left) and Chrome (right). Note the additional UI preventing additional dialogs in Firefox from triggering it more than once. You can… Read article
Model-Based Testing in React with State Machines
This means it has one call stack and one memory heap.
There has been an interesting point/counter-point combo recently along … Read article
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Working with Attributes on DOM Elements
Testing applications is crucially important to ensuring that the code is error-free and the logic requirements are met. However, writing tests manually is tedious and prone to human bias and error. Furthermore, maintenance can be a nightmare, especially when features are added or business logic is changed. We’ll learn how model-based testing can eliminate the need to manually write integration and end-to-end tests, by automatically generating full tests that keep up-to-date with an abstract model for any app.
From unit … Read article
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The DOM is just a little weird about some things, and the way you deal with attributes is no exception. There are a number of ways to deal with the attributes on elements. By attributes, I mean things like the
<div id="cool"></div>. Sometimes you need to set them. Sometimes you need to get them. Sometimes you get fancy helpers. Sometimes you don’t.
For this article, I’ll assume
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