How to create a simple gulp task in nodejs

Node.js is an open source, cross-platform JavaScript runtime environment that allows developers to run JavaScript applications on the server side. Gulp is an automated build tool based on Node.js that helps developers manage and optimize front-end workflow.

In this article, we will introduce how to install Node.js and gulp on Windows, Mac and Linux, and demonstrate how to set up a simple gulp task.

1. Install Node.js on Windows

1. Go to Node.js official website: https://nodejs.org/zh-cn/
2. Click " Download Node.js" button, select the corresponding operating system version (32-bit or 64-bit) and download the Windows installer.
3. Run the downloaded installation program and follow the default installation steps to install.
4. After the installation is complete, enter the "node -v" command in the command prompt. If the version number appears, Node.js is installed successfully.

2. Install Node.js on Mac

1. Go to Node.js official website: https://nodejs.org/zh-cn/
2. Click the "Download Node.js" button, select the corresponding operating system version and download the Mac installer.
3. Run the downloaded installation program and follow the default installation steps to install.
4. After the installation is complete, enter the "node -v" command in the terminal. If the version number appears, it means that Node.js is installed successfully.

3. Install Node.js on Linux

1. Enter the following command on the command line to add the Node.js PPA:
   curl -sL https:/ /deb.nodesource.com/setup_10.x | sudo -E bash -
2. Install Node.js:
   sudo apt-get install -y nodejs
3. Confirm whether Node.js is successful Installation: node -v

4. Install gulp globally

1. Open your command line tool.
2. Execute the following command: npm install --global gulp-cli
3. Wait for the installation to complete.

5. Create a simple gulp task

1. In the project terminal, execute the following command: npm install --save-dev gulp
2. Create a file called gulpfile.js and copy the following code into the file:

var gulp = require('gulp');

gulp.task('hello ', function () {
console.log('Hello World!');
});

3. Enter "gulp hello" in the terminal and run, it will be in the control "Hello World!" is output on the stage.
4. You can also use gulp to compress and optimize your code.

Summary
This article briefly introduces how to install Node.js and install gulp globally on Windows, Mac and Linux, and demonstrates a simple gulp task. Gulp can greatly improve project development efficiency and is one of the essential building tools for front-end development. If you need to learn more about the use of gulp, you can read gulp's official documentation to learn.

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