In this tutorial you’ll learn how to change the first letter of every word to upper case using JavaScript. Capitalizing with split, for loop and join If you’re just getting started with JavaScript, then I suggest the most obvious step-by step approach to capitalizing each word in string....
If you’re looking to find out what’s the latest version of a certain package, you can quickly check this information right in your terminal with the command npm view. Here’s how you can check the latest version of express:...
In this short tutorial you’ll learn how to check the version of any installed npm package including the ones that have been installed globally using the -g flag. Locally installed packages To check the current versions of the npm packages for your project, you should navigate to the project directory where your package....
It’s essential to keep all the node modules of your project up to date as the security patches go out. In this short tutorial I’ll teach you how to update all the node_modules to the latest version with a single command....
The file package.json is an integral part of every Node.js project. It stores all the dependencies that your project needs. All the dependencies (most often open-source npm modules) are split into two categories: production dependencies and development dependencies....
If you’re new to JavaScript arrays, you’d be surprised how many useful built-in functions they have. Today, I’ll show you 4 of them. You can also get a deeper dive into a specific topic by reading dedicated articles:...
In this tutorial you’ll learn how you can use the function map to transform the JavaScript array by applying a mapping function to all of its elements. The biggest drawback of the forEach loop is that it doesn’t return anything useful....
The reduce function is the most complex of the standard JavaScript array functions. With reduce, you can compress (reduce) an array to one element. For the reduce function to work properly, you’ll need 2 parameters — the reducer function and the initial value....
The built-in array function filter will help you filter out the unwanted elements from the array and return a new array consisting only of suitable items. To work correctly, the filter function accepts a parameter called “filtering function” or “filtering predicate”....
Iterating over the elements of the array in JavaScript is a very common task. In this tutorial you’ll learn how to use the built-in array function forEach to go over all array elements....