Christmas Trees Made with HTML CSS and JS

CHRISTMAS TREES
WITH HTML, CSS & JS
NIAMH FOLEY

WHAT WE ARE GOING TO CREATE
HTML5 Tree with decoration

HTML + CSS Tree

HYPER TEXT MARK UP LANGUAGE
Pros

Cons

• Provides a basic structure for data to be
displayed

• HTML is not dynamic – meaning it has no logic
to it

• Very easy to pick up and learn

• No one structure to it

• Mistakes are easily found and fixed
• There are many development environments

CASCADING STYLE SHEETS
Pros
• Easy to learn
• Used by 99.999% of websites
• Tidy's up HTML makes it “Cleaner”
• Provides the skin to HMTL

Cons
• None Its that Good

JAVASCRIPT
Pros
• As close as you can get to coding with out all the
“Messy Stuff” of code
• Safe !! You cannot damage your system as its
self contained

• Extremely powerful tool for creating web apps
• Very easy to pick up and learn

Cons
• Only works in a browser
• No Development environment
• Debugging is a pain
• Each browser reacts to code differently
• Imagination is your only limit with JS

HOUSE KEEPING
1. Create a Directory called “Christmas Tree”
2. Create a subdirectory called “css”
3. Create a file called “styles.css” and save into css
4. Create a file called “index.htm” and save into the root directory (Christmas Tree)
Keyboard Short cuts
Copy : Ctrl + C
Paste : Ctrl + V
Cut :

Ctrl + X

HTML BOILER PLATE
Use this boiler plate code to begin

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>The HTML, CSS & JS Christmass Trees</title>
<link rel="stylesheet" href="css/tree.css">

</head>
<body>
<canvas id="canvas" width="300" height="300" style="border-style:solid;" ></canvas>
</body>
</html>

HTTP://BIT.LY/CHRISTMASTREE
HTTP://BIT.LY/TREECSS
HTTP://BIT.LY/JSTREE
FEAR NOT !!!

<body onload="draw();">
<script type="text/javascript">

FUNCTIONALITY

// JS goes in here

Setup

</script>

function draw() {
var canvas = document.getElementById('canvas');

FUNCTIONALITY
Step 1 - Beginning Code

if (canvas.getContext){
var ctx = canvas.getContext('2d');
// more code goes here !!

}
}

ctx.beginPath();
ctx.moveTo(150, 10); // starting point

FUNCTIONALITY
Step 2 – The Triangle

ctx.lineTo(x, y);

ctx.lineTo(x, y);
ctx.fillStyle = “USE HEX CODE” ;
ctx.fill();

FUNCTIONALITY
Step 3 – The base

ctx.fillStyle = “USE HEX CODE”;
ctx.fillRect (x,y,w,h); // (x,y,width,height)

ctx.beginPath();
ctx.arc(140, 75, 10, 0, Math.PI*2, true);

FUNCTIONALITY
Step 4 - Decorations

// Uses trig to create circle

ctx.closePath();
ctx.fillStyle = " USE HEX CODE ";
ctx.fill();

TEST IT !!
Fingers Crossed it Worked

SETUP

1. Use HTML Boiler Plate
2. Create a styles.css file in the css directory

HTML BOILER PLATE
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>The HTML, CSS & JS Christmass Trees</title>
<link rel="stylesheet" href="css/tree.css">

</head>
<body>
<canvas id="canvas" width="300" height="300" style="border-style:dotted solid;" ></canvas>
</body>
</html>

<div class="logo">
<div id="tree"></div>
<div id="trunk">

FUNCTIONALITY
Adding the HTML scaffolding

<div id="left-branch"></div>
<div id="right-bottom-branch"></div>
<div id="right-top-branch"></div>
</div>
</div>

.logo{

height: 200px; width: 160px;

FUNCTIONALITY

margin: 150px auto;

Logo Class

position: relative;
}

#tree {

border-bottom: 200px solid #//Putt Colour in here;
border-left: 80px solid transparent;

FUNCTIONALITY

border-right: 80px solid transparent;

Tree Identifier

position: absolute; top: 0; left: 0;
height: 0; width: 0;
}

#trunk{


FUNCTIONALITY

background: #3b543f;

Trunk Identifier

position: absolute; left: 72px; bottom: -20px;
}

#left-branch{
background: #//Put Colour in here;

position: absolute; left: -10px; top: 15px;

FUNCTIONALITY

transform: rotate(-50deg);

Branch Identifiers

-webkit-transform: rotate(-50deg);

Left

-moz-transform: rotate(-50deg);
-ms-transform: rotate(-50deg);
-o-transform: rotate(-50deg);
}

#right-bottom-branch{
position: absolute; top: 15px; left: 23px;

FUNCTIONALITY

transform: rotate(50deg);

Branch Identifier

-webkit-transform: rotate(50deg);

Right bottom

-moz-transform: rotate(50deg);

-ms-transform: rotate(50deg);
-o-transform: rotate(50deg);
}

#right-top-branch{
position: absolute; top: 2px; left: 20px;

FUNCTIONALITY

transform: rotate(50deg);

Branch Identifier

-webkit-transform: rotate(50deg);

Right Top

-moz-transform: rotate(50deg);

-ms-transform: rotate(50deg);
-o-transform: rotate(50deg);
}

Christmas Trees Made with HTML CSS and JS

Christmas Trees Made with HTML CSS and JS

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