Html And Css Are Server-Side Scripting Languages Ture Or False The 3 Most Important Web Languages to Learn

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The 3 Most Important Web Languages to Learn

I’m often asked which web languages ​​someone with no previous coding, writing or programming experience should learn, and in what order. So I will start by giving you the three most important web languages ​​in use today, and then go ahead and introduce other languages ​​that would be helpful to know once you have the basics.

1. (X) HTML. HTML (Hypertext Markup Language) is the web’s primary markup language, and is used to build and structure web pages. Everything you see that isn’t styled or animated is mostly built with HTML. I refer here specifically to the text, tables and figures.

There are several forms that HTML can commonly take: HTML 4.01 Strict or Transitional, XHTML 1.0 Strict or Transitional, and HTML 5. XHTML (Extensible Hypertext Markup Language) is really just the union of HTML and XML, and is very similar to the so marked HTML, but is designed with the extensibility (and strictness) of XML in mind. As a small example, while an HTML 4.01 image or break tag would not require a trailing slash, an XHTML image or break tag would require a space and a trailing slash before the tag is closed. . This is because in XHTML, any tag that is open must be closed, even if it is an empty tag.

The difference between using Transitional or Strict for HTML and XHTML largely depends on how you write your code. If it is written with strict rules (and without legacy HTML from old times) and validated under this configuration, it can be Strict, and it will be more complete and standardized. Otherwise, if it is imperfect or contains some legacy HTML, it would be Transitional, so it can still be validated and the browser can know how to handle it.

At a certain point in the evolution of these web markup languages, there was a question of what form the future would take: XHTML 2.0 or HTML5. HTML5 was developed by individuals from Apple, Opera and Mozilla, while XHTML 2.0 was developed by the World Wide Web Consortium (W3C). Somewhere along the way, HTML5 won out to be the next standard for the web. Today, HTML5 is not yet fully complete (not until about 2014), but this is where the web is headed.

So with all these choices for HTML, which should you choose to learn first? We suggest learning either (or both) HTML 4.01 or XHTML 1.0 first, and then go to HTML5 if you want all the interesting new features it has. Be warned, though, that HTML5 isn’t fully compliant, and older browsers, especially Internet Explorer, don’t like it.

2. CSS. CSS (cascading style sheet) is a style language that gives a good look to an HTML document. Defines the presentation of a web page. When we refer to CSS, we refer to colors, background images, text fonts and sizes, and element positioning and size. Well-written web pages use HTML for structure and content only, and CSS for presentation. It allows different style sheets to be used on the same web page for different reasons: accessibility (screenreaders), mobile devices, print, and many other reasons. A web page can look very different depending on which style sheet is used. Take a look at CSS Zen Garden to see this aspect of CSS in action; the HTML remains the same but the design changes depending on the style sheet selected.

Like HTML, there are many different forms (called levels) CSS can take: CSS2 (and 2.1) and CSS3. Both are very similar at the core, but CSS3 goes hand in hand with HTML5. So, even though it has some great new features (like rounded corners, gradients, and shadows), some of these features aren’t fully featured. So choosing what to learn in CSS is less about choosing a level and more about choosing rules and properties that are compatible with the browsers of your target audience, and Internet Explorer or older browsers are usually a big part of that. of that heard.

3. And now we come to # 3, where you must ask why you want to learn these web languages. The third web language to learn depends on whether you want to build dynamic web pages and web applications (and become a web developer) or if you want to design websites (and become a web designer). Whichever path you choose, you’ll need HTML and CSS. If you want to be a designer, and put web development on the back burner for now, I’d suggest switching to JavaScript/jQuery. But if you want to develop dynamic sites, I would suggest you to go for PHP and take JavaScript / jQuery later; Just know that if you go down the PHP route, you’ll probably want to go JavaScript/JQuery at some point. So on to #3.

3rd JavaScript/jQuery. JavaScript is a client-side scripting language that enables animations and user interaction with the web page. Think gallery slideshows, form validation, annoying popups, tabs, tooltips, etc. You need HTML and CSS for all of this, of course, but JavaScript brings it to life.

jQuery, on the other hand, is not a language, but a JavaScript library. It’s just a way to simplify customer writing. What takes JavaScript lines and lines of code, jQuery does in a few lines of code. His motto, “Write less, do more”, is very true. Depending on how much you want to do or how much you want to understand JavaScript, you can easily just learn jQuery and forget all about JavaScript. There are also many tools and plugins for jQuery that simplify the process even more, and make learning a whole new language a less scary experience.

3b. PHP/MySQL. When you enter PHP (PHP: Hypertext Preprocessor, originally it meant Personal Home Page), you are no longer writing client-side code; Now write the server code. PHP is a server scripting language that allows a user to not only interact with the web page, but now allows him to interact with the server. Coupled with MySQL, PHP allows communication with a database, where records can be created, stored and retrieved. PHP is embedded in documents with a.php extension, but is used in HTML. So even though a file may have a .php extension, it could still work as an HTML page without PHP, or it could be used as an HTML page with embedded PHP.

Like HTML and CSS, there are different versions of PHP. The version you choose to use depends mostly on which version the server supports. PHP5 is currently the best version, although some code that was allowed in older versions is not allowed in PHP4 or PHP5, although this is also good since most of these codes were security weak.

There are also a couple of different ways of programming PHP: OOP (object-oriented programming) and procedural. OOP programming (introduced in PHP3 and improved in PHP4 and also changed in PHP5) borrows object-oriented methods used by other programming languages ​​(such as Java, Perl, and C++) and uses them in PHP, and helps to reduce the amount of code used (making the code reusable). Procedural programming is mostly old school as it is less efficient, but it can be a bit easier for beginners to understand.

And what’s next? If you took the JavaScript / jQuery route, the next language to learn would be PHP; and if you take the PHP route, the next language to learn would be JavaScript / jQuery. After you have all these languages ​​under your belt, then it would be time to merge JavaScript / jQuery and PHP with AJAX (Asynchronous JavaScript and XML). AJAX is not a language, but rather a set of technologies or methods that use JavaScript to interact with PHP, allowing a user to interact with a web server without using page reloads. AJAX is used in search (for example, when a list of suggestions appears when typing), forms (again, suggestions, or check with the server if a username is taken, or populate a mention list according to previous user choices), and many other applications. It’s simply a really nice way to combine all these languages ​​to create a dynamic and user-friendly application.

So these are my suggestions as to which web languages ​​to learn when starting out, and in what order. It may seem like a lot, and for some people it may seem too much, but I found that learning a web language is like learning a foreign language. Fluency comes with practice and use, and the more languages ​​you know, the easier it is to learn another.

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