Countdown Timer — input, controls, and finish alert

[venisha-kalola]

Project slug (e.g., snake, todo)

countdown-timer

Summary

Create a countdown timer with minute/second input, start/pause/reset, and a completion alert (sound + visual).

Details / Acceptance criteria

Acceptance Criteria:

• Validates input (non-negative, reasonable max).
• Start/pause/resume/reset function correctly.
• Optional beep on finish (muted by default if no user gesture).
• Title updates with remaining time during countdown.
• Keyboard shortcuts: Enter (start/pause), R (reset).
• Visually shows progress (e.g., progress bar or ring).

Files:

• projects/countdown-timer/index.html
• projects/countdown-timer/styles.css
• projects/countdown-timer/main.js

Tasks:

• Build inputs, controls, and progress UI.
• Implement countdown using setInterval or rAF with drift correction.
• Add finish handlers (sound + focus/ARIA live region).

Scope

• UI changes
• Logic changes
• Accessibility
• Tests (manual)

[chandra-011220]

@venisha-kalola please assign this issue to me as a part of hacktoberfest I'd love to work on this issue

[ctokam]

Hi i would really like to contribute on this please @venisha-kalola

[Glynis1314]

@venisha-kalola can you assign this issue to me

[ctokam]

i have also resolved this issue