【202309】字節前端一二面面經（許愿三面） · 大廠前端面試真題

[1、websocket刷新頁面之后如何恢復連接？](1%E3%80%81websocket%E5%88%B7%E6%96%B0%E9%A1%B5%E9%9D%A2%E4%B9%8B%E5%90%8E%E5%A6%82%E4%BD%95%E6%81%A2%E5%A4%8D%E8%BF%9E%E6%8E%A5%EF%BC%9F.md) [2、介紹一下瀏覽器本地緩存](2%E3%80%81%E4%BB%8B%E7%BB%8D%E4%B8%80%E4%B8%8B%E6%B5%8F%E8%A7%88%E5%99%A8%E6%9C%AC%E5%9C%B0%E7%BC%93%E5%AD%98.md) [3、如果想給localstorage添加有效時間，有沒有什么思路去實現？](3%E3%80%81%E5%A6%82%E6%9E%9C%E6%83%B3%E7%BB%99localstorage%E6%B7%BB%E5%8A%A0%E6%9C%89%E6%95%88%E6%97%B6%E9%97%B4%EF%BC%8C%E6%9C%89%E6%B2%A1%E6%9C%89%E4%BB%80%E4%B9%88%E6%80%9D%E8%B7%AF%E5%8E%BB%E5%AE%9E%E7%8E%B0%EF%BC%9F.md) [4、http狀態碼](4%E3%80%81http%E7%8A%B6%E6%80%81%E7%A0%81.md) [5、怎么解決跨域？](5%E3%80%81%E6%80%8E%E4%B9%88%E8%A7%A3%E5%86%B3%E8%B7%A8%E5%9F%9F%EF%BC%9F.md) [6、講一下對JSONP的理解](6%E3%80%81%E8%AE%B2%E4%B8%80%E4%B8%8B%E5%AF%B9JSONP%E7%9A%84%E7%90%86%E8%A7%A3.md) [7、有用過web?worker嗎？](7%E3%80%81%E6%9C%89%E7%94%A8%E8%BF%87webworker%E5%90%97%EF%BC%9F.md) [8、Css中position的定位方式](8%E3%80%81cssposition%E7%9A%84%E5%AE%9A%E4%BD%8D%E6%96%B9%E5%BC%8F.md) [9、Css動畫寫過嗎？寫一個從左往右移動的動畫](9%E3%80%81Css%E5%8A%A8%E7%94%BB%E5%86%99%E8%BF%87%E5%90%97%EF%BC%9F%E5%86%99%E4%B8%80%E4%B8%AA%E4%BB%8E%E5%B7%A6%E5%BE%80%E5%8F%B3%E7%A7%BB%E5%8A%A8%E7%9A%84%E5%8A%A8%E7%94%BB.md) [10、什么時候用OPTION請求？](10%E3%80%81%E4%BB%80%E4%B9%88%E6%97%B6%E5%80%99%E7%94%A8OPTION%E8%AF%B7%E6%B1%82%EF%BC%9F.md) [11、跨域的場景下一定會發OPTION嗎？](11%E3%80%81%E8%B7%A8%E5%9F%9F%E7%9A%84%E5%9C%BA%E6%99%AF%E4%B8%8B%E4%B8%80%E5%AE%9A%E4%BC%9A%E5%8F%91OPTION%E5%90%97%EF%BC%9F.md) [12、手寫一個簡單的eventemitter；寫完之后添加fitter過濾；寫完之后添加sticky機制](12%E3%80%81%E6%89%8B%E5%86%99%E4%B8%80%E4%B8%AA%E7%AE%80%E5%8D%95%E7%9A%84eventemitter%EF%BC%9B%E5%86%99%E5%AE%8C%E4%B9%8B%E5%90%8E%E6%B7%BB%E5%8A%A0fitter%E8%BF%87%E6%BB%A4%EF%BC%9B%E5%86%99%E5%AE%8C%E4%B9%8B%E5%90%8E%E6%B7%BB%E5%8A%A0sticky%E6%9C%BA%E5%88%B6.md) [13、編程：求數組深度](13%E3%80%81%E6%B1%82%E6%95%B0%E7%BB%84%E6%B7%B1%E5%BA%A6.md) [14、編程：判斷回文子串](14%E3%80%81%E7%BC%96%E7%A8%8B%EF%BC%9A%E5%9B%9E%E6%96%87%E5%AD%90%E4%B8%B2.md) [15、編程：每千位添加分隔符](15%E3%80%81%E7%BC%96%E7%A8%8B%EF%BC%9A%E6%AF%8F%E5%8D%83%E4%BD%8D%E6%B7%BB%E5%8A%A0%E5%88%86%E9%9A%94%E7%AC%A6.md)