Diccionary on HTML5

S

This tag refers to an incorrect text. For instance, it can be used for proofreading online exams, so a student can know which parts are correct and which are not.

Script

This element allows to execute a programming code language by our customer, allowing also for loading animations and some dynamic­changing content. The most common one is Javascript.

In HTML5 there is an attribute allowing to feature scripts in an asynchronous way. The script tag content will be automatically executed, which will stop the web loading, since it controls the whole system while it finishes executing.

src. It indicates the route where the script is placed the corresponding script language code.
type. It defines the content expected in the file that we have access to through src.
defer. This attribute allows to ensure the HTML loading before the content placed in the scripts where it is present  is executed.

New attributes

async. This attribute allows for an asynchronous execution of the scripts holding it, so their execution order is not warranted and not even the precise moment when they will be executed. 

In this way, these will be loaded when they are assigned some proceeding time, depending on the priorities established by cpu.

Section

This element allows us to group some related content. For instance, some comments on one certain news with the text of this news... The difference between div tag and section tag is, principally, semantic, but it is recommended for the section tags to be used to define content related areas and not for structurally dividing the web page.

Select

It is used along with option tag, to create lists containing different options. It holds multiple uses to define infinite types of lists, such as the different occupation a person can have, their age, their gender...

Select area   London  Berkshire  Buckinghamshire,  Devon, Somerset

Source

It is a complementary tag being used with video and audio elements when aiming our file to have multiple replicas allowing for a higher availability of the multimedia content to be played.

Important attributes

src. It defines the access route to the multimedia resource
media. This attribute allow us to specify which device our multimedia content has been designed for (printers, braille, projectors...), but currently this attribute is not working in any popular browser.
type. This attribute allows us to indicate which multimedia content is going to be played (audio, video, mpeg, mp4, ogg). There are a few formats that can work with current browsers, so it is highly recommendable to check first which formats are suitable for the most commonly used 
browsers.

Style

This element allows us to give a style to HTML documents, in a direct way and with no need of CSS. Although its use is not recommended, it can be necessary for some specific parts of the website.

Important attributes

type. It indicates the document’s content. This attribute is normally used when style tag is used to internally define styles, within the HTML document itself.

New attributes
scoped. This attribute allows us to define styles, which will be put on some specific sections of the document

Sumary

This element combines with details tag to create dropdown sections within the web page. For instance, it can be used to create a dropdown summary of some news, or the technical features of any product. Currently, this tag is only supported by Google Chrome, so we will need to use JavaScript for the rest of browsers, in order to emulate this effect.