Windows上的Node.Js-如何清除控制台

问题描述

成为Node.js环境和哲学的新手，我想回答几个问题.我已经下载了Windows安装程序的node.js和节点包管理器.Windows Cmd提示符当前用于运行nodejs应用程序.

Being totally new into node.js environment and philosophy i would like answers to few questions. I had downloaded the node.js for windows installer and also node package manager.Windows Cmd prompt is being currently used for running nodejs apps.

1. cls清除命令窗口或命令提示符中的错误.有node.js的等效项吗? console.clear不存在；(或是以其他形式存在吗?

1. cls clears the command window or errors in command prompt. Is there a equivalent for node.js ? console.clear does not exist ;( or does it in some other form?

我通过下面的代码创建了服务器

I created a server through this code below

var http = require("http");
http.createServer(function (request, response) {
    response.writeHead(200, {
        "Content-Type": "text/html"
    });
    response.write("Hello World");
    console.log("welcome world")response.end();
}).listen(9000, "127.0.0.1");

我将代码更改为以下代码，并刷新了浏览器，发现内容类型未更改，如何查看更改?

i changed the code to below and refreshed the browser to find that content type does not change, how do i get to see the changes?

var http = require("http");
http.createServer(function(request, response) {
  response.writeHead(200, {"Content-Type": "text/plain"});
  response.write("Hello World");
  console.log("welcome world")
  response.end();
}).listen(9000,"127.0.0.1");

推荐答案

console.log('\033[2J');

这在Linux上有效.不确定Windows.

This works on linux. Not sure about windows.

您可以使用以下方式欺骗"用户:

You can "trick" the user using something like this:

var lines = process.stdout.getWindowSize()[1];
for(var i = 0; i < lines; i++) {
    console.log('\r\n');
}

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