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In this article, we will cover the most commonly asked Node.js interview questions to help you prepare for your next job interview. Node.js is a powerful, open-source, server-side runtime environment used to build fast and scalable network applications. If you want to boost your chances of...
When an asynchronous function is called upon a resource for some task, the control is let immediately to continue with the subsequent statements after the function. The task on the resource would start in parallel. This helps Node.js continue with other tasks while the function is working with ...
Reducing memory usage can significantly improve service performance. The best way to save memory is to use a pool, which stores frequently used and reusable objects and reduces creation and destruction operations. For example, there is a picture request interface, every time you request, you need...
Node.js Interviewelemefe.github.io/node-interview/#/sections/zh-cn/common?id=%E7%B1%BB%E5%9E%8B%E5%88%A4%E6%96%AD 此文就是用来解答上述所问的第一篇类型判断. 为什么需要去考察JS的类型判断? 前置知识: JS数据类型分为两大类: - 基本数据类型: Number,String,Boolean,Undefined,Null,Symbol ...
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Job seekers: Prepare for interviews by tackling real-world coding problems. Developers: Quickly access a JSON or array of questions for use in projects or mock tests. Generate repo folder cd helpers node generateTextLesson.js ../question.json ...
参考答案: 主要有两种方式,第一种是利用node内置的require('data.json')机制,直接得到js对象; 第二种是读入文件入内容,然后用JSON.parse(content)转换成js对象.二者的区别是require机制情况下,如果多个模块都加载了同一个json文件,那么其中一个改变了js对象,其它跟着改变,这是由node模块的缓存机制造成的,只有一个...
Node.js Interview Questions and Answers Book Overview The Node.js Interview Questions and Answers Book is your go-to resource for mastering Node.js and succeeding in technical interviews. It covers a wide range of topics, from core Node.js concepts to advanced techniques, ensuring you’re well...
The goal of this series will be to delve into the concepts and theories that make up JavaScript. The topics will come from Darcy Clarke’s awesome list of typical JSinterview questions. Hopefully, you will finish the article with more than just an answer to the question. Each article will ...