HTML elements has several attributes that can be added to almost any HTML elements in included in the
element of a web page.
|to attach unique identifier to the element - unique identifiers for the element (id="id1")|
|to assign a class to the element - space separated identifiers (eg: class="class1 class2..")|
|to assign style to an element - sequence of styles (style="font-style:bold")|
|to assign a tooltip to the element - double quoted string (title="click here")|
|to define the language for the content of the element - double quoted language identifier (lang="en")|
|to defrine a rendering direction of the content for the element- "ltr" (left to right), "rtl" (for right to left)|