HTML

How to Dynamically Import JavaScript with Import Maps — step-by-step Javascript tutorial on Progressive Robot

How to Dynamically Import JavaScript with Import Maps

Build tools are an important part of the development experience, but a spec called import maps will allow you to both import external code into your project without a build tool. In this tutorial, you will create and use import maps in JavaScript to import code without build tools, import external code, and use the code without extra build steps.

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How To Use Opacity and Transparency to Create a Modal in CSS — step-by-step DevOps tutorial on Progressive Robot

How To Use Opacity and Transparency to Create a Modal in CSS

When styling HTML with CSS, opacity can help soften a shadow, de-emphasize non-essential content during a specific task, or fade content in or out of view. Throughout this tutorial, you will use various ways to apply opacity and extra properties to create a modal that appears with a no-JavaScript approach using the :target pseudo class and the opacity, pointer-events, and transition properties.

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Introduction to CSS Counters — step-by-step DevOps tutorial on Progressive Robot

Introduction to CSS Counters

In programming, counters are variables that hold a value that increments according to customizable rules. Modern Cascading Style Sheets (CSS) have a well-supported counter property that can track increments without JavaScript. In this tutorial, you will run through the basics of CSS counters by using them to number section elements in an Hypertext Markup Language (HTML) document and tally up the number of rows in a table element.

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How To Add Twitter Card and Open Graph Social Metadata to Your Webpage with HTML — step-by-step DevOps tutorial on Progressive Robot

How To Add Twitter Card and Open Graph Social Metadata to Your Webpage with HTML

When you share links on social media platforms, they’ll often be presented with rich imagery and a nicely formatted title, summary, and link, instead of plain text. You can add these rich media social sharing capabilities to your site by including certain meta tags in the head of your HTML document. This tutorial will show you how to implement both Twitter Card and Open Graph social metadata.

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