Html Programming Tutorials, Guides & Best Practices
Explore 5+ expertly crafted html tutorials, components, and code examples. Stay productive and build faster with proven implementation strategies and design patterns from DeveloperBreeze.
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Creating a Countdown Timer with JavaScript
Now, let’s determine the deadline. If the current day of the month is on or after the 20th, we will set the countdown to the 20th of the next month. Otherwise, it will count down to the 20th of the current month:
let date = new Date();
let count;
if (date.getDate() >= 20) {
count = date.getMonth() + 2; // Move to the next month
} else {
count = date.getMonth() + 1; // Use the current month
}
let year = date.getFullYear(); // Get the current year
let date_str = `${year}-${count.toString().padStart(2, '0')}-20T23:59:59`; // Format the deadline as YYYY-MM-20
let deadline = new Date(date_str);Exporting Table Row Data to CSV in JavaScript
To follow along, you should have a basic understanding of HTML, JavaScript, and how the Document Object Model (DOM) works. No additional libraries or dependencies are needed for this tutorial—just vanilla JavaScript.
First, let's create a simple table in HTML where each row contains some data and an "Export" button. The button will allow the user to export the data from the row to a CSV file when clicked.
دليل شامل لتطوير الويب: بناء موقع بسيط باستخدام HTML, CSS وJavaScript
تطوير الويب هو عملية إنشاء وتصميم المواقع الإلكترونية باستخدام لغات البرمجة وتقنيات الويب المختلفة. في هذا الدليل، سنتعلم كيفية بناء موقع ويب بسيط باستخدام HTML، CSS وJavaScript. سيتضمن هذا الدليل خطوات تفصيلية تبدأ من الهيكل الأساسي للصفحة وصولاً إلى إضافة بعض التفاعلات باستخدام JavaScript.
قبل البدء، يُفضل أن يكون لديك معرفة بسيطة باللغات التالية:
HTML5 Cheatsheet
HTML provides various tags for structuring text content:
<h1>to<h6>: Headings, with<h1>as the most important.<p>: Paragraph.<br>: Line break.<hr>: Thematic break (horizontal rule).<strong>: Important text (bold).<em>: Emphasized text (italic).<small>: Smaller text.<mark>: Highlighted text.<blockquote>: Long quotations.<code>: Inline code.<pre>: Preformatted text (preserves whitespace).