HTML Tag and Attribute

html element contain <start tag> content <end tag>, e.g. <h1>adam's to do list</h1>
also can add attribute into start tag, e.g. <link href="bootstrap.css" rel="stylesheet" />
css is a style sheet language

tag
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1. block element vs inline element
block element start on a new line and take full width available, e.g. div
inline element does not start on a new line and only take space necessary, e.g. span

2. div
block level container

3. span
inline level container

4. ul
unsorted list

5. li
List item

6. a
hyperlink

7. select
drop-down list

8. table

9. th
table header cell

10. tbody
container of rows

11. tr
table row

12. td
table cell

11. script
a client side script, such as javascript
src attribute: specifies the url of an external script file


attribute
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