Links are the defining feature of the web because they allow you to move from one web page to another.
Links are created using the <a> element.
we use an absolute URL.
<p>Movie Reviews:
<ul>
<li><a href="http://www.empireonline.com">
Empire</a></li>
<li><a href="http://www.metacritic.com">
Metacritic</a></li>
<li><a href="http://www.rottentomatoes.com">
Rotten Tomatoes</a></li>
<li><a href="http://www.variety.com">
Variety</a></li>
</ul>
</p>
we use a relative URL.
<p>
<ul>
<li><a href="index.html">Home</a></li>
<li><a href="about-us.html">About</a></li>
<li><a href="movies.html">Movies</a></li>
<li><a href="contact.html">Contact</a></li>
</ul>
</p>
Relative URLs can be used when linking to pages within your own
website.

control where each element sits on a page and how to create attractive page layouts.
Building Blocks CSS treats each HTML element as if it is in its own box.
Containing Elements If one block-level element sits inside another block-level element then the outer box is known as the containing.
specify the positioning scheme using the position property in CSS.
Normal flow
Relative Positioning
Ab solute positioning
Fixed Positioning
Floating Elements
Programmers use functions, methods, and objects to organize their code.
A function is a piece of code that is called by name.
A method is a piece of code that is called by a name that is associated with an object.
var msg = 'Sign up to receive our newsletter for 10% off!';
function updateMessage() {
var el = document.getElementByld('message'};
el .textContent = msg;
}
updateMessage(};
function declaration is a statement containing a function prototype (function name, return type, the types of parameters and their order).
call a function you are telling the computer to run (or execute) that set of actions.
pair programming is an agile software development technique in which two programmers work together at one workstation.
Greater efficiency
Engaged collaboration
Learning from fellow students
Social skills
Job interview readiness
Work environment readiness