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Buffer of global variable Buffer is generally called buffer buffer. Buffer allows JavaScript to manipulate binaries. JavaScript language initially served the browser platform, so the main data type of its internal operation is string. The emergence of Nodejs makes it possible to program with JavaScript on the server side to complete IO oper ...

Differences between module.export and exports Fundamental difference: exports returns module functions module.exports returns the module object itself and a class The difference in use is: The methods of exports can be called directly module.exports can be called only after the new object is required Change direction: If you change the dire ...

1. PrefaceHello, I'm Ruokawa . Recently organized Source code co reading activity , you can add me wechat if you are interested ruochuan12 Participation has been carried out for more than two months. We exchange and study together and make common progress.Want to learn the source code, I highly recommend what I wrote before Learning source cod ...

preface What I wrote earlier: the main knowledge point of this article is how to realize Ajax through native JavaScript. First, you need to have a little understanding of Json, HTTP network transmission protocol, network request mode, asynchronous programming, etc; 1. Implementation steps Create XMLHttpRequest object;Judge whethe ...

As mentioned last time, the Express framework is used to build a simple back-end, and it can be used to accept various forms of parameters. In this section, we will solve a very basic but also very important requirement in web Development - file upload and download File upload When uploading a file, the http request method is post, and the c ...

Take you to write a complete Promise in three minutes Implement a foundation Promise is a class that accepts a function parameter, and then has a status variable and then method inside. The initial value of the status state is pending. The callback function of the then method is temporarily stored in memory. After the asynchronous operation o ...

It took 2 days to study the cloud service and pagoda panel, and finally uploaded it successfully. Now make a detailed record to facilitate the majority of netizens to view it. Without much nonsense, start directly Tencent ECS purchases and installs pagoda panels Purchase ECs and install pagoda panels. You can choose to install pagoda pane ...

preface We need to install all kinds of npm every day. How do we publish npm to the remote warehouse? Understanding the process of npm from coding to push ing to npm warehouse will help us debug npm packages better. Next, take a JSON tree diff package I wrote as an example to show the process from writing to publishing an npm package. Initial ...

Hello, I'm Laifu! A guy who is committed to using nodejs to realize office automation. In the last issue, I shared it with you nodejs+e Xiaotian realizes wechat chat robot For e-day temporary authorization, there is only one day of authorization time, so for new users, they need to click the temporary authorization button every day. However, fo ...

I believe you will usually use markdown to write documents, especially with Typora, which is very convenient. But many times we are not satisfied with local documents, but to make the documents online, so that if the content is updated, team members can see it in time. In fact, there are many open source projects used to generate static websit ...