rrentTab = 1; $nextTick(() => $refs.firstTab.focus())<span class="token punctuation">"</span></span><br>        <span class="token attr-name">:tabindex</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>currentTab === 2 ? '0' : '-1'<span class="token punctuation">"</span></span><br>      <span class="token punctuation">></span></span><br>        Second tab<br>      <span class="token tag"><span class="token tag"><span class="token