Progress Bars

Author
Ex-Meta Staff Engineer
Languages

Build an app where clicking the "Add" button adds progress bars to the page. The progress bars fill up gradually as soon as they are shown.

Requirements

  • Clicking on the "Add" button adds a progress bar to the page.
  • Each progress bar start filling up smoothly as soon as they're added
  • Each bar takes approximately 2000ms to completely fill up.

Example

Progress Bars Example

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Bugs? Manageable. But "It looks weird on my phone"? Pure terror. This black tee perfectly captures every front end engineer's worst fear — mystery UI issues on an unknown device. Whether it's a client's 5-year-old Android or some obscure browser setting, you already know it's going to be painful.

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