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How to capitalize first letter of every word with JavaScript

In this tutorial you鈥檒l learn how to change the first letter of every word to upper case using JavaScript. Capitalizing with split, for loop and join If you鈥檙e just getting started with JavaScript, then I suggest the most obvious step-by step approach to capitalizing each word in string....

August 4, 2022 路 2 min 路 Coderslang Master

How to check the latest version of the npm package

If you鈥檙e looking to find out what鈥檚 the latest version of a certain package, you can quickly check this information right in your terminal with the command npm view. Here鈥檚 how you can check the latest version of express:...

August 3, 2022 路 1 min 路 Coderslang Master

How to find the version of any installed npm package

In this short tutorial you鈥檒l 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....

August 2, 2022 路 1 min 路 Coderslang Master

How to update all npm package.json dependencies to the latest version

It鈥檚 essential to keep all the node modules of your project up to date as the security patches go out. In this short tutorial I鈥檒l teach you how to update all the node_modules to the latest version with a single command....

August 1, 2022 路 2 min 路 Coderslang Master

The difference between dependencies and devDependencies in package.json

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....

June 2, 2022 路 2 min 路 Coderslang Master

4 JavaScript array functions that every Junior must know

If you鈥檙e new to JavaScript arrays, you鈥檇 be surprised how many useful built-in functions they have. Today, I鈥檒l show you 4 of them. You can also get a deeper dive into a specific topic by reading dedicated articles:...

June 1, 2022 路 2 min 路 Coderslang Master

How to transform a JS array with "map"

In this tutorial you鈥檒l 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鈥檛 return anything useful....

September 9, 2022 路 2 min 路 Coderslang Master

How to reduce a JavaScript array to a single value

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鈥檒l need 2 parameters 鈥 the reducer function and the initial value....

May 19, 2022 路 4 min 路 Coderslang Master

How to filter out array elements in JS

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 鈥渇iltering function鈥 or 鈥渇iltering predicate鈥....

May 18, 2022 路 2 min 路 Coderslang Master

How to iterate over the array in JavaScript with forEach

Iterating over the elements of the array in JavaScript is a very common task. In this tutorial you鈥檒l learn how to use the built-in array function forEach to go over all array elements....

May 17, 2022 路 2 min 路 Coderslang Master