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A Level Computer Science Paper 1: 1.3.4 Web Technologies

Information Technology29 CardsCreated about 1 month ago

HTML is the standard language used to build and structure web pages. It uses tagged elements to define content, with headers indicating importance and paragraphs used to separate blocks of text.

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HTML

Hyper Text Markup Language

The script used to write web pages, interpreted and rendered by a browser

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Key Terms

Term
Definition

HTML

Hyper Text Markup Language

The script used to write web pages, interpreted and rendered...

What do HTML elements consist of?

Start and end tags …

Beginning and ending a HTML document

Use < html > and < /html > to start and end

HTML headers

<h1> text </h1>

<h2> text </h2>

<h3> text </h3>

...

Decrease in order of importance and...

HTML text

<p> text </p>

  • a new line won’t start without a new <p></p>

HTML images

Open image tag
src = “filename.filetype” width=“x” height=“y”
Close image tag

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A Level Computer Science Paper 1: 1.3.4 Web Technologies
TermDefinition

HTML

Hyper Text Markup Language

The script used to write web pages, interpreted and rendered by a browser

What do HTML elements consist of?

Start and end tags …

Beginning and ending a HTML document

Use < html > and < /html > to start and end

HTML headers

<h1> text </h1>

<h2> text </h2>

<h3> text </h3>

...

Decrease in order of importance and size without style changes

HTML text

<p> text </p>

  • a new line won’t start without a new <p></p>

HTML images

Open image tag
src = “filename.filetype” width=“x” height=“y”
Close image tag


HTML hyperlinks

<a> text </a>

HTML lists

<ol> and </ol>

start and end an ordered list (1.,2.,3.)

<ul> and </ul>

start and end an unordered list

<li> text and </li>

for each list item, a new line for each

CSS

Cascading style sheets

Describe how HTML styles are displayed

Using CSS in HTML

Either use inside a < link >tag or use externally to reuse

Using CSS

style = “property : type used ; property : type used;…

CSS colours

Use color : colour;

Can use #hex/names for colour

CSS borders

border-style : border type;

border-color : border colour;

CSS fonts

font-family : font : font type: broader font type;

If the first font cannot be used it is passed down

CSS external

section

{

property : type used

property : type used

}

CSS creating classes

.classname

{

property : type used

property : type used

...

}


CSS using classes

<div></div>

ID CSS

#ID

{

property : type used

property : type used

...

}

Call with id = "IDname" at the start of the corresponding section

Linking CSS

link ret=“cssfilename” type=“text/css” href=“file name.css”

Enclosed in <>

What is javascript?

An interpreted scripting language used to code the functionality of web pages
Interpreted so it can run on multiple platforms

Javascript text box

input type=”text” id =”…” name = “…”

Enclosed in <>

Javascript button

input type=”submit” id =”…” name = “…”

Enclosed in <>

Javascript setting a button to run a function when clicked

button onclick=”functionname()

Enclosed in <>

Using javascript code in HTML

Enclose in < > tags

Javascript major difference to java

var is used instead of specific variable types

Changing contents of a HTML element with javascript

chosen element=getElementById("…"). etc

Javascript alert

alert("text to display")

Javascript id vs class

You can have multiple classes but only one ID

HTML div tags

Divide a page into areas