Components
Everyday parts of real apps where the content is there but hidden until you open, hover or wait for it. The trick each time is knowing when an element can be used.
Yes. Every practice page and challenge is free, with no sign-up.
Most take 15 to 30 minutes. Hard ones can take an hour.
Java, Python, C# and JavaScript for Selenium; TypeScript, JavaScript, Python, Java and C# for Playwright.
Open: none
Only one answer is open at a time. A closed answer is in the page but hidden, so reading it before opening fails.
Noise-cancelling headphones with 30 hours of battery.
Weight: 250 g · Bluetooth 5.3 · USB-C charging
Reviews load about a second after you open the tab: wait for the rating, not just the panel. Arrow keys move between tabs.
Hover Products, then Testing tools, then click Playwright. Move the mouse straight across: the menus close a moment after the pointer leaves.
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src
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tests
- login.spec.ts
- cart.spec.ts
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pages
- LoginPage.ts
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tests
- README.md
Selected: nothing
Open src, then tests, then select cart.spec.ts. A file inside a closed folder can't be clicked until every folder above it is open.
The tooltip appears half a second after you hover or focus the ? button and goes as soon as you leave it.
Words: 0 · Bold: none
A contenteditable div, not a textarea: there's no value to read, so check its text or HTML instead. Select text, then click B to make it bold.