How to install JavaScript runtime environment in VS2015

Visual Studio 2015 is a very popular development tool that helps developers quickly develop applications and websites. Although VS2015 has a JavaScript development environment installed by default, some developers may need to install a JavaScript runtime environment separately. In this article, we will introduce you how to install the JavaScript runtime environment in VS2015.

Step 1: Download and install Node.js

To install the JavaScript environment in VS2015, you need to install Node.js first. You can download the Node.js installation package suitable for your operating system from https://nodejs.org/en/. Then follow the installer's instructions step by step to install.

Step 2: Install npm package manager

npm is a package manager that is installed by default with Node.js and can help you easily download and install the libraries required for your JavaScript applications and modules. However, in VS2015, npm needs to be installed manually. This process can be completed through the command prompt. The specific method is as follows:

1. Open the command prompt

In Windows systems, you can use the Win R shortcut key to open the run window, and then enter cmd (no quotes required) to open the command prompt.

2. Enter the npm command

In the command prompt, enter the following command and press the Enter key:

npm install npm@latest -g

This command will download and install the latest version of npm . After the installation is complete, you can use the npm -v command to verify whether npm is installed correctly.

Step 3: Configure the JavaScript runtime environment in VS2015

Now that you have installed Node.js and npm, you can start configuring the JavaScript runtime environment. Please perform the following steps:

1. Open VS2015
2. In the menu bar, select "Tools" > "Options" > "Projects and Solutions" > "External Web Tools"
3. In the list, select the " " sign to add a new path

4. Enter the following in the new path input box (change accordingly according to your installation path):

   $(PATH);C:\Program Files (x86)\nodejs\

5. Confirm and close all dialog boxes

Now, your VS2015 has With the JavaScript runtime environment configured, you can quickly access building and testing your JavaScript applications from VS2015.

Summary

JavaScript is an important part of web development. Installing the JavaScript runtime environment in VS2015 can improve development efficiency and shorten the development cycle. If you follow the steps in this article, installing a JavaScript runtime environment should be very simple and straightforward. Hope this article helps you!

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