Function filterEditorContent

notes.js:1783–1791

(content)

    // 过滤编辑器内容，移除多余的<br>标签
    function filterEditorContent(content) {
        if (!content) return '';
        // 如果内容只包含空的<br>标签，返回空字符串
        const cleanContent = content.replace(/<br\s*\/?>/gi, '').trim();
        if (!cleanContent || cleanContent === '') {
            return '';
        }
        return content;
    }

    function clearEditor(){
        titleInput.value = '';