Code Snippet

Automate Cleanup in Google Docs: Removing Numbered Lines Using Google Apps Script

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Introduction When dealing with text documents, especially in Google Docs, you might come across lines that follow a particular numbering format. For instance, in documents generated by automated tools or text imports, lines with just a number followed by a period (like “1.” or “2.”) can clutter up the content, making it harder to read … Read more

Using the Value of endDate to Store/Retrieve from localStorage

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When working with web forms and local storage in JavaScript, a common task is to store and retrieve date values selected by users. A practical example is using the value property of an input element with the type date, such as endDate, and storing this value in localStorage. This approach seems to work well for … Read more

Why is style.width Working Without Units?

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When working with JavaScript to manipulate the style properties of HTML elements, one might wonder why a line of code like this appears to work without explicitly specifying units: playArea.game.style.width = cols * 100 + (cols * 2); At first glance, this line might seem incomplete because, in CSS, units such as px, %, em, … Read more

Creating a Sortable List Using Drag and Drop in JavaScript

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Creating an interactive and user-friendly web interface often involves allowing users to manipulate elements on the page directly. One such interaction is enabling drag-and-drop functionality, which can be used to create sortable lists. This functionality is particularly useful in scenarios where the order of items matters, such as in task management apps, playlists, or settings … Read more

Exercise: Creating an Accordion Menu with Vanilla JavaScript

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An accordion menu is a great way to organize and present content in a compact format. It allows users to expand and collapse sections of content by clicking on headers, making it easier to navigate large amounts of information. In this blog post, we’ll walk through the process of creating a simple accordion menu using … Read more

Exercise: Creating a Custom Tooltip with Vanilla JavaScript

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Tooltips are small, interactive pop-up elements that provide additional information when hovering over a particular element on a webpage. They are commonly used to offer more context, explain features, or give brief instructions without cluttering the interface. In this blog post, we’ll walk through how to create a simple, custom tooltip using vanilla JavaScript, HTML, … Read more

Exercise: Creating a Modal Window with Vanilla JavaScript

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Modals are a common feature in web development, used to display content in an overlay that pops up on top of the main page. They are typically used for dialogs, alerts, forms, or any content that requires the user’s immediate attention. In this blog post, we will walk through how to create a simple modal … Read more

Implementing Lazy Loading for Images in JavaScript

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Web performance is crucial for providing a smooth user experience, especially when it comes to loading media-rich websites. One effective technique to enhance performance is lazy loading. Lazy loading delays the loading of images until they are about to enter the user’s viewport, meaning they only load when they are actually needed. This reduces the … Read more

Implementing a Simple Client-Side Router in JavaScript

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Client-side routing is an essential feature in modern web applications, enabling seamless navigation between different views or pages without reloading the entire page. This technique is commonly used in Single Page Applications (SPAs) to enhance the user experience by dynamically updating content based on the URL. In this blog post, we’ll explore how to implement … Read more

Understanding Currying in JavaScript

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Introduction Currying is a powerful technique in functional programming that allows you to transform a function with multiple arguments into a series of functions that each take a single argument. This can lead to more modular and reusable code, especially in complex applications. In this blog post, we’ll explore how to implement a curry function … Read more