Web Programming and Design MPT Senior Cycle Tutor: Tamara Week 5

Plan for the next 4 weeks: Introduction to HTML tags, creating our template file Introduction to CSS and style Introduction to JavaScript More advanced JavaScript Portfolio Site

Web Design Competition There will be a competition for the best designed website!! Theme: “Your Hero” To enter: Simply upload your website into a folder named competition on your Public_html

<tagname>Some Content in here….</tagname> HTML Reminder HTML stands for Hyper Text Markup Language HTML allows us to describe and define the structure of our website using markup All the elements in a web page are represented in tags <tag> Example of HTML elements include: headings, paragraphs, images, videos Nearly all HTML tags come in pairs with an start and end tag <tag> </tag> The Browser will not display these tags, instead it will use the tags to render the web page <tagname>Some Content in here….</tagname> Defines the type of element The stuff that gets displayed Close off the element

h1 {color: blue;} CSS Reminder Selector (HTML tag) Property Value CSS stands for Cascading Style Sheets CSS describes how HTML elements are to be displayed on screen It allows us to change the style or appearance of our web page CSS contains a selector and property, value pair The selector is the HTML tag you would like to style h1 {color: blue;} In this example, all the h1 tags in the HTML document will be changed to blue Selector (HTML tag) Property Value

JavaScript Variable Reminder We can assign a variable to hold a data type value We must be careful with our variable names: Use a meaningful name for your variable, and each variable should have a unique name Never start your variable name with a capital letter, number, or symbol Do not use keywords, or special reserved words for your variable name JavaScript is case sensitive so pay special attention to capital letters and spellings How we create a variable: var x = 1; Always finish the line with a ; We use the keyword var to tell JavaScript we are making a variable Next we make a name for our variable Then we use = to assign a value Then we give a value

JavaScript Function Syntax Reminder function myFunction(argument){ Code goes here…….. } We have to use the special keyword function Using arguments is optional All code needs to be contained in { }

JavaScript Event Reminder HTML events are "things" that happen to HTML elements. Events can be caused by the user or by the browser. JavaScript can "react" to these events. Event Description onchange An HTML element has been changed onclick The user clicks an HTML element onmouseover The user moves the mouse over an HTML element onmouseout The user moves the mouse away from an HTML element onkeydown The user pushes a keyboard key onload The browser has finished loading the page

JavaScript DOM Reminder We can use the DOM model to change style and change the content within HTML tags We can also add HTML to the inside of HTMl tags document.getElementById("myH1").style.color = "red"; document.getElementById(“myH1”).innerHTML = “New Heading”;

JavaScript Conditional Reminder

JavaScript for loop syntax To create a for loop we must use the keyword for Then we setup three statements within ( ) before describing the block of code we want to repeat Statement 1 statement 2 statement 3 all separated by ; for (setup var; condition; increase var){ // block of code to repeat } Keyword for