You can have a series of elements for each supported media format (webm and mp4 in this case). For example, you may create a custom audio or video player that has fancy buttons or a customized look and feel. Most of the top browsers are including the new HTML5 specs in their development plans. Although this example uses jQuery, you could have also used plain JavaScript to access data-* attributes. This means that you will often find out-of-date tutorials when you are looking for information about HTML. Because the web has changed. If you don't supply any value for text1, the browser will show an error message and refuse to submit the form. Some are practical, while others are more philosophical. On the other hand, if you want to change the color of something in response to a user input, you probably want to use JavaScript.

Although HTML always supported displaying images, this support was limited to displaying existing image files. Placeholders 6.
HTML5 is the latest evolution of the standard that defines HTML. Consider the following form: The above markup displays a placeholder in Chrome like this: New input types of HTML5 take care of many of the common formats, reducing the need to explicitly validate the fields (in supported browsers) but at times you need to perform some custom pattern matching. And actually, the concept of hypertext goes back even further than that. The addition of these two tags expands the usage of HTML5. Older markup practices still work in most browsers — if you type onto your web page, the text will flow around the image just the way you’d expect. One of the main features of developing HTML5 applications is that the final result is completely accessible. Now, HTML5 provides support for media with elements like