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How to use multiple node versions on the same machine?

There are several ways to manage multiple Node.js versions on the same machine. Here are two popular tools for achieving this: NVM (Node Version Manager): NVM is a widely used tool for managing mul...

Questions · Better Stack ·  Updated on March 11, 2024

What is the purpose of Node.js module.exports and how do you use it?

In Node.js, module.exports is a special object that is used to define what a module exports as its public interface. It is used to expose functionality from one module (file) to another module, all...

Questions · Better Stack ·  Updated on March 11, 2024

How to get `GET` variables in Express.js on Node.js?

In Express.js, you can access GET (query string) variables using the req.query object. The req.query object contains key-value pairs of the query string parameters in a GET request. Here's an examp...

Questions · Better Stack ·  Updated on March 11, 2024

How do you get a list of the names of all files present in a directory in Node.js?

In Node.js, you can use the fs (file system) module to get a list of file names in a directory. Here's an example using the fs.readdir function: const fs = require('fs'); const directoryPath = '/pa...

Questions · Better Stack ·  Updated on March 11, 2024

How do I debug Node.js applications?

Debugging Node.js applications can be done using various tools and techniques. Here are some common approaches to debug Node.js applications: console.log The simplest form of debugging is using con...

Questions · Better Stack ·  Updated on March 11, 2024

Is there a map function for objects in Node.js?

In JavaScript, the map function is typically used with arrays to transform each element of the array based on a provided callback function. If you want to achieve a similar result with objects, you...

Questions · Better Stack ·  Updated on March 11, 2024

How to write to files in Node.js?

In Node.js, you can use the fs (file system) module to read from and write to files. Here's a basic example of how to write and read files in Node.js using callbacks: const fs = require('fs'); // W...

Questions · Better Stack ·  Updated on March 11, 2024

How can I update Node.js and NPM to their latest versions?

There are several ways to update Node.js to its latest version. Here are three methods: Updating Node.js Using NPM You can use NPM to update Node.js by installing the n package, which will be used ...

Questions · Better Stack ·  Updated on March 11, 2024

How to decide when to use Node.js?

Node.js is a powerful, JavaScript-based runtime environment that has shaped the modern web landscape, enabling developers to build fast, scalable, and efficient web applications. To Node.js or not ...

Questions · Better Stack ·  Updated on March 11, 2024

How to exit in Node.js

Exiting a Node.js application is simple and can be done using the process.exit() method. This method exits from the current Node.js process and takes an exit code, which is an integer. The exit cod...

Questions · Better Stack ·  Updated on March 11, 2024

How can I update each dependency in package.json to the latest version?

To update each dependency in package.json to the latest version, you can use the npm-check-updates package. Here are the steps: Install the npm-check-updates package globally by running the followi...

Questions · Better Stack ·  Updated on March 11, 2024

What's the difference between dependencies, devDependencies, and peerDependencies in NPM package.json file?

When you create a new Node.js project, you’ll notice a package.json file in the root directory. This file contains metadata about your project, including the dependencies required to run it. There ...

Questions · Better Stack ·  Updated on March 11, 2024

How to find the version of an installed npm package?

To find the version of an installed npm package, you can use the following commands: To see the version of an installed Node.js or npm package, run npm list <package-name>. To see the latest versio...

Questions · Better Stack ·  Updated on March 11, 2024

How do I pass command line arguments to a Node.js program and receive them?

In Node.js, you can pass command line arguments to your script the same as you would for any other command line application. Simply type your arguments after the script path separated with a space ...

Questions · Better Stack ·  Updated on March 11, 2024

What is the --save option for npm install?

The --save option for npm install was once used to add the installed module into the dependencies section of your package.json file automatically. However, from npm version 5.0.0 this is no longer...

Questions · Better Stack ·  Updated on March 11, 2024

Using async/await with a forEach loop?

In Node.js, the forEach loop is not compatible with the async/await syntax as it does not wait for promises. But fear not, as there are two alternatives: The for(… of …) loop If you would like to h...

Questions · Better Stack ·  Updated on March 11, 2024

What's the difference between tilde(~) and caret(^) in package.json?

In a package.json file, the tilde (~) and caret (^) symbols are used to specify version ranges for your project’s dependencies. They help you control which versions of packages can your projects us...

Questions · Better Stack ·  Updated on March 11, 2024

How to Read Textbox Values in Playwright Tests

To read textbox values in Playwright, you can use the inputValue() method on a locator pointing to the textbox. Here's a step-by-step guide:

Playwright
Questions · Better Stack ·  Updated on February 27, 2024

How to Disable JavaScript in Playwright Tests

Playwright enables JavaScript by default in all browsers, but you can easily disable it per test or even globally using a couple of configuration options

Playwright
Questions · Better Stack ·  Updated on February 27, 2024

How to Perform Actions on Multiple Elements in Playwright

If you need to perform an action on multiple elements at once (such as clicking on several items in a list), you can do it as follows

Playwright
Questions · Better Stack ·  Updated on February 27, 2024

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