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lecture 3

HTML, HTTP, Forms, CSS

http://www.funwebdev.com/index.php?page=17#article

http = Protocol

www.funwebdev.com = domain

/index path

?page=17 query string page is a key 17 is a value. & seperates different queries

#article fragment 

<body id="test">testing</body> <!--body is element name
 and id="test" is attribute testing is content 
 empty element is an element with no content-->

Nesting_definitions

siblings

descendants

ancestors

parents

children

<datalist> <!--optional select?-->
HTML needs to be sementic

Response_codes

100-199 information answer

200-299 success

300-399 redirect

400-499 client error

500-599 server error

not in lecture but html math 

    <p>bmi=
        <math display="inline">
            <mfrac>
                <msup>
                    <mn>weight</mn>
                </msup>
                <mn>height</mn>
            </mfrac>
        </math>
    </p>