mokguli

<span style="background-color: #e3e6e8; color: #232629; font-family: ui-monospace, 'Cascadia Mono', 'Segoe UI Mono', 'Liberation Mono', Menlo, Monaco, Consolas, monospace; font-size: 13px; white-space: pre-wrap;">i.toString().padStart(4, '0');
<span style="background-color: #e3e6e8; color: #232629; font-family: ui-monospace, 'Cascadia Mono', 'Segoe UI Mono', 'Liberation Mono', Menlo, Monaco, Consolas, monospace; font-size: 13px; white-space: pre-wrap;">로 해결하였습니다. 감사합니다.