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How to create heatmaps in JavaScript: The Heat.js library

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  • Setting up the project directory:

    • Created a new file for the heatmap code.
    • Added CDN links for Heat.js JavaScript code and styles.

  • Creating a basic heatmap:

    • Added container element for the heatmap.
    • Included JavaScript code for rendering the heatmap.
    • Set up a date object to represent the day of the year.

  • Customizing the color gradient:

    • Defined custom color values for the color gradient.

  • Working with dynamic data:

    • Constructed a GraphQL query to pull user's GitHub contribution data.
    • Updated the heatmap with contribution information.
    • Fixed contribution data display issue by adding code.

  • Best practices with Heat.js:

    • Ensured responsiveness for viewing on mobile devices.
    • Utilized tooltip customization for displaying additional information.