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Coming to the next set of interview questions for web developers, here is a common question for JavaScript. 50. What are undefined and undeclared variables in JavaScript? Variables that have been declared already but not initialized are known as undefined variables. On the other hand, if a vari...
This interview question is taken from The Madness of King JavaScript.step 1: find the problem with this codeThe question is pretty simple: why do we get different results when calling parseFloat vs parseInt?['1', '2', '3'].map(parseFloat); //=> [1, 2, 3] ['1', '2...
feat: added nodejs module on the topics and shared some basic question asked in interview #10267 Merged bregman-arie merged 2 commits into bregman-arie:master from arnabbis:feat/add-node-module-question May 10, 2024 +37 −0 Conversation 0 Commits 2 Checks 0 Files changed 4 ...
ByMuhammad Imran Ansariin.NETonJan 302023 0 942 2 Post Your Answer Feb, 202322 In Node.js, you can create an HTTP server using the built-in http module. Here’s an example code to create a basic HTTP server: consthttp=require('http'); ...
readFile is a method of the fs (File System) module in Node.js that reads the entire contents of a file into memory and returns the data as a Buffer or string. It is a synchronous method that blocks the event loop until the file is read completely. It is suitable for reading small ...
RD: Yeah – Node and projects based on Node. It’s great. OP: I guess the question is more about the commercial nature of Node and commercialization of Node. Clearly Joyent have an interest in it, being a hosting company, but do you see an ecosystem of businesses emerging around Node ...
Manages the package on the sys. path for the project. The DJANGO_SETTINGS_MODULE environment variable is set. 7. What are Django signals? In your list of Django interview questions for experienced developers, keep this question as it often asked. ...
01 js有哪一些数据类型js 由 bom + dom 和 es语法 组成在最开始js只有6种类型, number string boolean null nudefined 和 object随着es的更新 新增了2种:symbol 这个表示的是唯一值;bigInt 这个是大数字的类型02 原型与原型链所有的 函数 都有 原型对象 prototype 也称叫——显式原型...
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