Web Development & Javanoscript Notes - Frontend Resources – Telegram
Web Development & Javanoscript Notes - Frontend Resources
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Note-⚠️: The content inside the <body> section (the white area above) will be displayed in a browser. The content inside the <noscript> element will be shown in the browser's noscript bar or in the page's tab.
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HTML History
Since the early days of the World Wide Web, there have been many versions of HTML:⬇️
1989 Tim Berners-Lee invented www
1991 Tim Berners-Lee invented HTML
1993 Dave Raggett drafted HTML+
1995 HTML Working Group defined HTML 2.0
1997 W3C Recommendation: HTML 3.2
1999 W3C Recommendation: HTML 4.01
2000 W3C Recommendation: XHTML 1.0
2008 WHATWG HTML5 First Public Draft
2012 WHATWG HTML5 Living Standard
2014 W3C Recommendation: HTML5
2016 W3C Candidate Recommendation: HTML 5.1
2017 W3C Recommendation: HTML5.1 2nd Edition
2017 W3C Recommendation: HTML5.2
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Learn HTML Using Notepad or TextEdit
Web pages can be created and modified by using professional HTML editors.
However, for learning HTML we recommend a simple text editor like Notepad (PC) or TextEdit (Mac).
We believe that using a simple text editor is a good way to learn HTML.
⚠️Follow the steps below to create your first web page with Notepad or TextEdit.⬇️
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⚠️-Step 1: Open Notepad (PC)
Windows 8 or later:
Open the Start Screen (the window symbol at the bottom left on your screen). Type Notepad.
Windows 7 or earlier:
Open Start > Programs > Accessories > Notepad
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⚠️-Step 1: Open TextEdit (Mac)
Open Finder > Applications > TextEdit
Also change some preferences to get the application to save files correctly. In Preferences > Format > choose "Plain Text"
Then under "Open and Save", check the box that says "Display HTML files as HTML code instead of formatted text".
Then open a new document to place the code.
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⚠️-Step 2: Write Some HTML
Write or copy the following HTML code into Notepad:⬇️
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⚠️-Step 3: Save the HTML Page
Save the file on your computer. Select File > Save as in the Notepad menu.
Name the file "index.htm" and set the encoding to UTF-8 (which is the preferred encoding for HTML files).⬇️
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⚠️-Tip: You can use either .htm or .html as file extension. There is no difference; it is up to you.
⚠️-Step 4: View the HTML Page in Your Browser
Open the saved HTML file in your favorite browser (double click on the file, or right-click - and choose "Open with").
The result will look much like this:⬇️
HTML Images
HTML images are defined with the <img> tag.
The source file (src), alternative text (alt)width, and height are provided as attributes:⬇️
⚠️-HTML Basic Examples

In this chapter we will show some basic HTML examples.

Don't worry if we use tags you have not learned about yet.
<!DOCTYPE html>
<html>
<body>

<h2>HTML Images</h2>
<p>HTML images are defined with the img tag:</p>

<img src="Exp.jpg" alt="
SiteExp.com" width="104" height="142">

</body>
</html>

.......................................Result⬇️
2️⃣-Inspect an HTML Element:
Right-click on an element (or a blank area), and choose "Inspect" or "Inspect Element" to see what elements are made up of (you will see both the HTML and the CSS). You can also edit the HTML or CSS on-the-fly in the Elements or Styles panel that opens.
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HTML Links
HTML links are defined with the <a> tag:⬇️
1️⃣-View HTML Source Code:
Right-click in an HTML page and select "View Page Source" (in Chrome) or "View Source" (in Edge), or similar in other browsers. This will open a window containing the HTML source code of the page.
HTML Documents
All HTML documents must start with a document type declaration: <!DOCTYPE html>.
The HTML document itself begins with <html> and ends with </html>.
The visible part of the HTML document is between <body> and </body>.
⚠️-How to View HTML Source
Have you ever seen a Web page and wondered "Hey! How did they do that?"⬇️