Understanding Asynchronous Programming

Asynchronous programming allows JavaScript to handle multiple operations without freezing the browser. Initially, callbacks were the go-to, but they often led to “callback hell.” Promises solved that with cleaner syntax, and async/await made it even simpler by writing asynchronous code that looks synchronous. In this article, we’ll explore each approach with practical code snippets, comparing readability and use cases.

CSS Grid is one of the most powerful tools in modern web development, offering unparalleled control over page layouts. Unlike older layout techniques such as floats and tables, Grid was designed specifically for two-dimensional design.

This beginner-friendly guide walks you through its core concepts, real-world use cases, and practical coding examples so you can start creating responsive, flexible, and beautiful layouts with ease.

When it comes to structuring websites, developers have experimented with countless approaches over the years—from using tables, to floats, to flexbox. But CSS Grid stands out as the first true layout system built into CSS. It allows developers to design both rows and columns simultaneously, making it ideal for complex, responsive designs.

In this guide, we’ll cover:

1. What is CSS Grid?
   CSS Grid is a two-dimensional system that gives you control over both rows and columns. Unlike flexbox, which is primarily one-dimensional, Grid allows you to define entire page structures in just a few lines of CSS.

2. Why Use Grid Over Other Layouts?

   • Built-in responsiveness with fr units.

   • Simplifies alignment and spacing without hacks.

   • Reduces CSS bloat by handling layout natively.

3. Key Concepts:

   • Grid Container & Grid Items: Establishing the parent and child relationship.

   • Grid Tracks: Rows and columns defined with grid-template-rows and grid-template-columns.

   • Gap Property: A clean way to create spacing without margins.

4. Practical Example:

   .grid-container {
     display: grid;
     grid-template-columns: 1fr 2fr 1fr;
     grid-gap: 20px;
   }
   

   With this setup, you’ve created a three-column layout with minimal code.

5. Responsive Design with Grid:
   CSS Grid pairs beautifully with media queries. For example, you can collapse a three-column design into a single column on smaller devices with just one rule change.