Results for “open”
Small, practical examples. Search by task or narrow things down below.
Structure a document with headings
Use a single page heading and a second-level section heading in HTML.
HTML✓ Tested
Submit a readonly value while preventing edits
HTML: Readonly controls remain in form data, unlike disabled controls.
HTML✓ Tested
Suggest a browser interface color
HTML: Theme-color is a browser chrome hint and does not style the page itself.
HTML✓ Tested
Sum integer values
Reduce a Java integer stream to its sum.
Java✓ Tested
Toggle a bit with an XOR mask
Arduino / C: XOR flips selected bits and leaves all other bits unchanged.
Arduino / C✓ Tested
Toggle a native popover from a button
HTML: The popovertarget relationship handles show and hide behavior without a click handler.
HTML✓ Tested
Toggle a state class
Toggle a CSS class in a jQuery click handler.
jQuery✓ Tested
Toggle an output using an explicit software state
Arduino / C: Keep the intended output state in a Boolean variable.
Arduino / C✓ Tested
Trim surrounding whitespace
Remove leading and trailing whitespace from a Java string.
Java✓ Tested
Trim surrounding whitespace from an Arduino String
Arduino / C: String.trim modifies the object in place.
Arduino / C✓ Tested
Turn on the built-in LED
Configure the Uno’s LED pin as an output and drive it high.
LED_BUILTIN✓ Tested
Turn on the LED with a serial command
Arduino / C: Wait for the character 1 in Serial Monitor before turning on the built-in LED.
Arduino / C✓ Tested