Stopwatch-and-Countdown-Timer/index.html at main · FrankJamison/Stopwatch-and-Countdown-Timer · GitHub

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<!doctype html>
<html lang="en">

<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <meta name="theme-color" content="#070B14" />
    <title>Stopwatch and Countdown Timer</title>
    <script type="text/javascript" src="js/myScript.js?v=20260111x" defer></script>
    <link rel="stylesheet" type="text/css" href="css/myStyles.css?v=20260111aa">
</head>

<body>
    <div class="bg" aria-hidden="true"></div>

    <main id="container" class="app" role="main">
        <header class="appHeader">
            <div class="brand">
                <div class="brandMark" aria-hidden="true"></div>
                <div>
                    <h1 class="appTitle">Time Tools</h1>
                    <p class="appSubtitle">Stopwatch + Countdown, in hundredths</p>
                </div>
            </div>
        </header>

        <section class="grid" aria-label="Timers">
            <section id="stopWatch" class="card" aria-label="Stopwatch">
                <div class="cardHeader">
                    <h2 class="cardTitle">Stopwatch</h2>
                    <p class="cardHint">Counts up • mm:ss:hh</p>
                </div>

                <div class="analogBlock">
                    <div class="analogFace" role="img" aria-label="Analog stopwatch face">
                        <div class="analogTicks" aria-hidden="true"></div>

                        <div id="swHandMinute" class="hand handSeconds" aria-hidden="true"></div>
                        <div id="swHandSecond" class="hand handMillis" aria-hidden="true"></div>
                        <div id="swHandCenti" class="hand handMinutesSubdial" aria-hidden="true"></div>

                        <div class="handCap" aria-hidden="true"></div>
                    </div>

                    <div class="displayLabel">Elapsed</div>
                    <div class="display displaySmall" id="stopWatchOutput" aria-live="polite">00:00:00</div>
                </div>

                <div id="stopWatchControls" class="controls">
                    <button class="btn btnPrimary" id="startStop" onclick="startWatch();" type="button">
                        <span class="btnIcon" aria-hidden="true">
                            <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                <path d="M9 7.5V16.5L17 12L9 7.5Z" fill="currentColor" />
                            </svg>
                        </span>
                        <span class="btnText">Start</span>
                    </button>
                    <button class="btn btnGhost" id="watchReset" onclick="watchReset();" type="button">
                        <span class="btnIcon" aria-hidden="true">
                            <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                <path d="M20 12a8 8 0 1 1-2.34-5.66" stroke="currentColor" stroke-width="2" stroke-linecap="round" />
                                <path d="M20 4v6h-6" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
                            </svg>
                        </span>
                        Clear
                    </button>
                </div>
            </section>

            <section id="countdownTimer" class="card" aria-label="Countdown Timer">
                <div class="cardHeader">
                    <h2 class="cardTitle">Countdown</h2>
                    <p class="cardHint">Counts down • max 10:00:00</p>
                </div>

                <label class="field" for="timeEntered">
                    <span class="fieldLabel">Start time</span>
                    <div class="fieldRow">
                        <input class="input" type="text" id="timeEntered" inputmode="numeric" autocomplete="off" placeholder="mm:ss:hh (e.g., 01:30:00)" aria-describedby="timeHelp timeAlert" />
                        <button class="btn btnPrimary" id="startPause" onclick="startTimer();" type="button">
                            <span class="btnIcon" aria-hidden="true">
                                <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                    <path d="M9 7.5V16.5L17 12L9 7.5Z" fill="currentColor" />
                                </svg>
                            </span>
                            <span class="btnText">Start</span>
                        </button>

                        <button class="btn btnGhost" id="timerReset" onclick="timerReset();" type="button">
                            <span class="btnIcon" aria-hidden="true">
                                <svg viewBox="0 0 24 24" fill="none" xmlns="http://www.w3.org/2000/svg">
                                    <path d="M20 12a8 8 0 1 1-2.34-5.66" stroke="currentColor" stroke-width="2" stroke-linecap="round" />
                                    <path d="M20 4v6h-6" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" />
                                </svg>
                            </span>
                            Clear
                        </button>
                    </div>
                    <span class="fieldHelp" id="timeHelp">Format must be exactly <strong>mm:ss:hh</strong> (leading zeros required).</span>
                    <span id="timeAlert" class="alert" role="status" aria-live="polite"></span>
                </label>

                <div class="displayLabel">Time remaining</div>
                <div class="display displayDigital" id="countdownTimerOutput" aria-live="polite">00:00:00</div>
            </section>
        </section>

        <footer class="appFooter">
            <span class="footerText">Tip: press <kbd>Enter</kbd> to start/pause the countdown. <span class="versionTag">UI v2026-01-11</span></span>
        </footer>
    </main>

</body>

</html>