.extra-info margin-top: 20px; font-size: 0.75rem; color: #7f8d9e; text-align: center; border-top: 1px solid #1f2937; padding-top: 18px;
<div class="content"> <div class="input-group"> <label>📟 Enter Outcode (5 or 8 digit code)</label> <div class="outcode-wrapper"> <input type="text" id="outcodeInput" class="code-input" placeholder="e.g. 12345 or 87654321" maxlength="10" autocomplete="off"> </div> <div class="hint">🔹 Outcode format: 5-digit (e.g., 54321) or 8-digit (e.g., 98765432) — No spaces or letters.</div> </div>
// --- Core algorithmic functions (verified against real examples) --- /** * Convert outcode string into numeric array (digits) * @param string codeStr - numeric string without spaces * @returns number[] array of digits */ function digitsArray(codeStr) return codeStr.split('').map(ch => parseInt(ch, 10));
