【202307】騰訊一面涼經 · 大廠前端面試真題

[1、防抖和節流是什么？](1%E3%80%81%E9%98%B2%E6%8A%96%E5%92%8C%E8%8A%82%E6%B5%81%E6%98%AF%E4%BB%80%E4%B9%88%EF%BC%9F.md) [2、如果連續點擊按鈕在1秒內只想它第一次觸發用節流還是防抖?](2%E3%80%81%E5%A6%82%E6%9E%9C%E8%BF%9E%E7%BB%AD%E7%82%B9%E5%87%BB%E6%8C%89%E9%92%AE%E5%9C%A81%E7%A7%92%E5%86%85%E5%8F%AA%E6%83%B3%E5%AE%83%E7%AC%AC%E4%B8%80%E6%AC%A1%E8%A7%A6%E5%8F%91%E7%94%A8%E8%8A%82%E6%B5%81%E8%BF%98%E6%98%AF%E9%98%B2%E6%8A%96.md) [3、.js繼承有哪些方式?](3%E3%80%81.js%E7%BB%A7%E6%89%BF%E6%9C%89%E5%93%AA%E4%BA%9B%E6%96%B9%E5%BC%8F.md) [4、如果想子類繼承父類的方法，但調用時不會改變父類本身屬性的值用什么繼承？](4%E3%80%81%E5%A6%82%E6%9E%9C%E6%83%B3%E5%AD%90%E7%B1%BB%E7%BB%A7%E6%89%BF%E7%88%B6%E7%B1%BB%E7%9A%84%E6%96%B9%E6%B3%95%EF%BC%8C%E4%BD%86%E8%B0%83%E7%94%A8%E6%97%B6%E4%B8%8D%E4%BC%9A%E6%94%B9%E5%8F%98%E7%88%B6%E7%B1%BB%E6%9C%AC%E8%BA%AB%E5%B1%9E%E6%80%A7%E7%9A%84%E5%80%BC%E7%94%A8%E4%BB%80%E4%B9%88%E7%BB%A7%E6%89%BF%EF%BC%9F.md) [5、vue2和vue3的區別](5%E3%80%81vue2%E5%92%8Cvue3%E7%9A%84%E5%8C%BA%E5%88%AB.md) [6、vue3 compositionApi有什么優點,hook函數的優點，使用hook函數如何實現綁定，為什么有了mixin vue3還要搞一套新的?](6%E3%80%81vue3compositionApi%E6%9C%89%E4%BB%80%E4%B9%88%E4%BC%98%E7%82%B9,hook%E5%87%BD%E6%95%B0%E7%9A%84%E4%BC%98%E7%82%B9%EF%BC%8C%E4%BD%BF%E7%94%A8hook%E5%87%BD%E6%95%B0%E5%A6%82%E4%BD%95%E5%AE%9E%E7%8E%B0%E7%BB%91%E5%AE%9A%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88%E6%9C%89%E4%BA%86mixinvue3%E8%BF%98%E8%A6%81%E6%90%9E%E4%B8%80%E5%A5%97%E6%96%B0%E7%9A%84.md) [7、vue2和vue3數據響應的原理，為什么vue3要用Proxy,有什么好處？](7%E3%80%81vue2%E5%92%8Cvue3%E6%95%B0%E6%8D%AE%E5%93%8D%E5%BA%94%E7%9A%84%E5%8E%9F%E7%90%86%EF%BC%8C%E4%B8%BA%E4%BB%80%E4%B9%88vue3%E8%A6%81%E7%94%A8Proxy,%E6%9C%89%E4%BB%80%E4%B9%88%E5%A5%BD%E5%A4%84%EF%BC%9F.md) [8、針對vue2object.defineProperty中setter觸發后是怎么通知視圖變化的?](8%E3%80%81%E9%92%88%E5%AF%B9vue2object.defineProperty%E4%B8%ADsetter%E8%A7%A6%E5%8F%91%E5%90%8E%E6%98%AF%E6%80%8E%E4%B9%88%E9%80%9A%E7%9F%A5%E8%A7%86%E5%9B%BE%E5%8F%98%E5%8C%96%E7%9A%84.md) [9、講講promise](9%E3%80%81%E8%AE%B2%E8%AE%B2promise.md) [10、promise.then是怎么實現的？](10%E3%80%81promise.then%E6%98%AF%E6%80%8E%E4%B9%88%E5%AE%9E%E7%8E%B0%E7%9A%84%EF%BC%9F.md) [11、出了個題大概闡述把setTimeOut里面的細節如何拆成promise對象和promise.then的形式？](11%E3%80%81%E5%87%BA%E4%BA%86%E4%B8%AA%E9%A2%98%E5%A4%A7%E6%A6%82%E9%98%90%E8%BF%B0%E6%8A%8AsetTimeOut%E9%87%8C%E9%9D%A2%E7%9A%84%E7%BB%86%E8%8A%82%E5%A6%82%E4%BD%95%E6%8B%86%E6%88%90promise%E5%AF%B9%E8%B1%A1%E5%92%8Cpromise.then%E7%9A%84%E5%BD%A2%E5%BC%8F%EF%BC%9F.md) [12、.原生小程序的渲染和h5有什么不同？](12%E3%80%81.%E5%8E%9F%E7%94%9F%E5%B0%8F%E7%A8%8B%E5%BA%8F%E7%9A%84%E6%B8%B2%E6%9F%93%E5%92%8Ch5%E6%9C%89%E4%BB%80%E4%B9%88%E4%B8%8D%E5%90%8C%EF%BC%9F.md) [13、this.setData是同步還是異步的](13%E3%80%81this.setData%E6%98%AF%E5%90%8C%E6%AD%A5%E8%BF%98%E6%98%AF%E5%BC%82%E6%AD%A5%E7%9A%84.md)