npx is a tool that is included with
Here are some examples of how
npx can be used:
- To run a package’s binary, you can use
npxfollowed by the package name and any desired arguments. For example, if you have the
create-react-apppackage installed, you can use
npx create-react-app my-appto create a new React application in a directory called
- To run a package without installing it globally, you can use
npxfollowed by the package name and any desired arguments. For example, you can use
npx eslint --initto run the
eslintpackage and initialize a configuration file, even if
eslintis not installed globally on your system.
- To run a script from a
package.jsonfile, you can use
npxfollowed by the script name. For example, if your
package.jsonfile has a script named
test, you can use
npx testto run that script.
npx is useful for situations where you want to use a package or script temporarily, without the overhead of installing it globally on your system. It can also help you ensure that you are using the correct version of a package, as
npx will automatically install the package if it is not already present on your system.
To check if you have
npx installed on your system, you can open a terminal or command prompt and run the following command:
This will print the version of
npm that is installed on your system. If the command is not recognized, it means that
npm is not installed. In this case, you can install
npm by downloading and installing Node.js from the official website: https://nodejs.org/
npm is installed, you can use it to install packages and run scripts in your Node.js projects. You can also use
npx to run packages and scripts without installing them globally on your system.
To install Node.js on your system, follow these steps:
- Go to the official Node.js website: https://nodejs.org/
- Click the “Download” button to download the latest stable version of Node.js.
- Run the downloaded installer file.
- Follow the prompts in the installer to complete the installation.
Once the installation is complete, you can check if Node.js is installed and working properly by opening a terminal or command prompt and running the following command:
This will print the version of Node.js that is installed on your system. If the command is not recognized, it means that Node.js is not installed or is not in your system’s
In addition to Node.js, the installer will also install