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Solution
Submitted 4 months ago

Tip Calculator App with SASS, OOP and MVC

sass/scss
nodegreecode•380
@nodegreecode
A solution to the Tip calculator app challenge
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Solution retrospective


What are you most proud of, and what would you do differently next time?

This one took me quite some time to complete, but I’m happy to have finally finished it! This time, I went all in and built this small app using OOP and MVC—definitely overkill for something this simple. But my goal was to practice working with Classes, OOP, and the MVC pattern in JavaScript, and in the end, it actually works.

What challenges did you encounter, and how did you overcome them?

The first challenge was structuring the functionality across different classes. Then, I had to build the project and get it running with Parcel. And last but not least, there was the CustomTips field—it’s not perfect yet, but it works! There’s still plenty of room for improvement in my solution, but I’m happy with the progress so far.

Code
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Community feedback

  • Dirk•300
    @dirkvankrieken
    Posted 4 months ago

    Well done!

    • It matches the design closely, and looks good, both desktop view and mobile view
    • Interesting choice of programming technique (MVC) for the interactive part. I am not familiar with it yet, so can't say much about the code, but it looks good.

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How does the accessibility report work?

When a solution is submitted, we use axe-core to run an automated audit of your code.

This picks out common accessibility issues like not using semantic HTML and not having proper heading hierarchies, among others.

This automated audit is fairly surface level, so we encourage to you review the project and code in more detail with accessibility best practices in mind.

How does the CSS report work?

When a solution is submitted, we use stylelint to run an automated check on the CSS code.

We've added some of our own linting rules based on recommended best practices. These rules are prefixed with frontend-mentor/ which you'll see at the top of each issue in the report.

The report will audit all CSS, SCSS and Less files in your repository.

How does the HTML validation report work?

When a solution is submitted, we use html-validate to run an automated check on the HTML code.

The report picks out common HTML issues such as not using headings within section elements and incorrect nesting of elements, among others.

Note that the report can pick up “invalid” attributes, which some frameworks automatically add to the HTML. These attributes are crucial for how the frameworks function, although they’re technically not valid HTML. As such, some projects can show up with many HTML validation errors, which are benign and are a necessary part of the framework.

How does the JavaScript validation report work?

When a solution is submitted, we use eslint to run an automated check on the JavaScript code.

The report picks out common JavaScript issues such as not using semicolons and using var instead of let or const, among others.

The report will audit all JS and JSX files in your repository. We currently do not support Typescript or other frontend frameworks.

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