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Oct 17, 2022 · 4 min read · Strings are a fundamental part of working with JavaScript. And the toLowerCase() method is one of the many integrated methods that you can use to work with strings. In this article, we'll see how to make strings lowercase with the toLowerCase() metho...
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Aug 31, 2022 · 9 min read · You will often need to remove an element from an array in JavaScript, whether it's for a queue data structure, or maybe from your React State. In the first half of this article you will learn all the methods that allow you to remove an element from a...
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Aug 18, 2022 · 9 min read · A percentage is a kind of fraction saying how many parts over 100 something is. In this article you will see in detail what a percentage is, and how to calculate a percentage in Excel. First, before diving into how it works in Excel, let's take a loo...
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Aug 9, 2022 · 9 min read · In JavaScript there are higher order methods and functions that accept a function as an argument. These functions used as arguments for other functions are called callback functions. What is a callback in JavaScript? A callback is a function passed a...
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Aug 3, 2022 · 5 min read · A factorial is a mathematical operation that you write like this: n!. It represents the multiplication of all numbers between 1 and n. So if you were to have 3!, for example, you'd compute 3 x 2 x 1 (which = 6). Let's see how it works with some more ...
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