This article will show you how to calculate the sum of all elements in an array of numbers. Such an operation is very simple. You just have to iterate over all the elements in the array and make a sum of all values. However, as you probably know, the JavaScript and TypeScript languages are sometimes …
It's very easy to work with the numbers in the JavaScript or TypeScript programming language. There is a nice API that allows you to perform many of the mathematical operations. However, there may be a situation when the number is given in a string variable. This can occur when data is sent over the network, …
This is a detailed guide that explains how to get a Unix timestamp in either JavaScript or TypeScript programming language. We will provide samples that can be run in native environment, without usage of any 3rd party libraries. However, at the end of the article, you may see how to get a timestamp also with …
That's probably one of the most popular questions that an engineer may ask when learning either JavaScript or TypeScript languages. In some situations, when you don't know if the variable is defined, you may need to check if it exists. That can occur when you are working with objects that were passed into function. Another …
This article will be very helpful if you are learning the JavaScript programming language and trying to write a custom code that manipulates or reads data in the Arrays. A very common case in web development is that you need to iterate over some items in the array and perform a desired action, for example, …
JavaScript is a very powerful programming language and provides great support for arrays. There are many different language constructs available that you can use to remove items from an array. This article contains instructions for only the most popular ways to modify an array, but you can extend and improve them to meet your specific …
This article will give you a solution to the case when you need to check if a string contains another string. The first method is that you may use the includes() function. It was added to the ECMAScript 2015 JavaScript specification. See the code block below. That's a basic example that may occur in any …
This article contains information on how to create a code that will redirect users to another web page in a browser. You will see that automatically changing location of a user is a simple task and requires just a few lines of code. The methods described here have both advantages and disadvantages. And we will …