/// <summary>
/// 添加MarkDown编辑器按钮。
/// </summary>
/// <returns>返回当前工具栏标签实例。</returns>
/// <param name="builder">当前工具栏标签实例。</param>
/// <param name="key">功能键。</param>
/// <param name="icon">图标。</param>
/// <param name="title">标题。</param>
public static TagBuilder AddSyntax(this TagBuilder builder, string key, string icon, string title)
{
return(builder.AppendTag("a", a =>
{
a.AppendTag("i", x => x.AddCssClass(icon));
a.MergeAttribute("title", title);
a.AddCssClass($"mozmd-syntax-{key}");
}));
}
