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Solution
Submitted over 2 years ago

Creating qr code using Bootstrap and CSS custom properties

bootstrap
MinSan•20
@denialgrey
A solution to the QR code component challenge
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Solution retrospective


I used this project with Bootstrap, but is it cheating for using bootstrap on this project?

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Community feedback

  • Leo López•110
    @Ciensprog
    Posted over 2 years ago

    Is it cheating for using bootstrap on this project?

    Of course of not! you can use any tool for create your solutions, from vanilla js to any library/framework like react, vue, astro, etc.

    However, there are some accesibility errors that should be fix:

    • In your src attribute for img tag, you can replace backslash \ for slash / because th backslash is used like path delimiter or escaping characters (in regex).
    • Consider add an alt attribute to img tag for give a contexts of the image, for example <img src="..." alt="QR Code" />.
    • Replace your <div class="container-fluid ..." (div tag) with a main tag to fix accesibiilty error.
    • Replace your level-five heading with level-one heading to fix accesibility errors, for example: <h5> -> <h1>.
    • Replace your <div class="attribution fixed-bottom"> (div tag) with a semantic footer tag such as: <footer class="attribution fixed-bottom"> to fix accesibility errors.

    Great job!

    Marked as helpful

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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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