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Hello is not defined in JavaScript If you have ever encountered a JavaScript error that says "hello is not defined", it means that you are trying to use a variable or function that has not been declared or defined anywhere in your code. This error can occur when
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Clear Cache for Require Module If you are a developer who uses Node.js, then you must be familiar with the require() function which is used to import modules in your code. Sometimes, you might face issues with the modules due to cache. In such cases, you need to clear
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Starting a JSON Server on a Particular Port If you're working on a project that requires a JSON server, you may need to start it on a particular port. Here's how you can do it: Using the Command Line If you're comfortable using the
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React Input Cursor Jump End Have you ever typed something into an input field in React and had the cursor jump to the end of the input field? It can be frustrating when you're trying to edit or add more text in the middle of what you'
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Max Character Limit in Textarea jQuery Have you ever faced the issue of limiting the number of characters in a textarea using jQuery? Well, I have, and it can be a real pain. Fortunately, there are multiple ways to limit the number of characters in a textarea with jQuery. Let&
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Complete Date As someone who has worked in customer service for several years, I have dealt with a lot of questions regarding dates. One of the most common questions I have come across is, "What does complete date mean?" A complete date refers to a date that includes
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How to Export Modules If you are a developer, you might have come across the need to export modules from your codebase. In JavaScript, modules are reusable pieces of code that can be imported into other files. In this blog post, I will explain how to export modules in JavaScript
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Arranging Coins Arranging Coins is a problem where you need to arrange coins in the form of a staircase pattern. The problem statement goes like this: You have n coins and you want to build a staircase with these coins. The staircase consists of rows of coins where each row
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Object with Key as Individual Choice and Values as the Second Choice As an individual, we all have our own preferences and choices. And sometimes, we need to store these choices in a data structure. One of the most commonly used data structures for this purpose is an object. An
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Understanding Formik Provider in React If you have worked with React, then you must be aware of the fact that managing a form state can be quite challenging. This is where Formik comes into play. Formik is a popular form management library in React that makes it easy to handle
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How to Find the Smallest Number in Array Using For Loop in JavaScript As a web developer, I have come across situations where I needed to find the smallest number in an array. In JavaScript, there are several ways to achieve this, but one of the most straightforward methods is
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Puppeteer Headless False When working with Puppeteer, a popular Node.js library for controlling headless Chrome/Chromium, you may come across the option headless: false. This option specifies whether to run Chrome in a headless mode or not. What is Headless Mode? Headless mode is a way to run Chrome