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1.6 KiB
1.6 KiB
Stoplight Exercise
As always, fork and clone this repo.
Part 1
Add DOM event listeners to toggle the on/off state of three bulbs.
- When a user clicks on the "Stop" button, the top bulb should turn
red. - When a user clicks on the "Slow" button, the middle bulb should turn
orange. - When a user clicks on the "Go" button, the bottom bulb should turn
green.
TIP: All three bulbs can be on/off independently of one another.
Resources
- MDN -
Document.querySelector() - MDN -
EventTarget.addEventListener() - MDN -
click - MDN -
background-color
Part 2
Add new DOM event listeners to log the mouse state of each button.
- When a user's mouse "enters" a button, log
"Entered <textContent> button"to the console. - When a user's mouse "leaves" a button, log
"Left <textContent> button"to the console.
Resources
Bonus
Add one new DOM event listener to log the state of each bulb.
- When a user clicks a button that just turned on, log
"<textContent> bulb on"to the console. - When a user clicks a button that just turned off, log
"<textContent> bulb off"to the console.