Cut And
Paste Code For Lesson 5
Simple Delay Says "Hello World:"
Simple Delay Says "Hello World" after one second:
<!DOCTYPE html>
<html>
<body>
<script>
var myVar = setInterval(myTimer ,1000);
function myTimer() {
document.write("Hello
World")
}
</script>
</body>
</html>
Draw A Rectangle With Multi Colored Lines:
<!DOCTYPE html>
<html>
<body>
<canvas id="myCanvas" width="300" height="300"
style="border:1px solid #d3d3d3;">
Your browser does not support
the HTML5 canvas tag.</canvas>
<script>
var c = document.getElementById("myCanvas");
var ctx = c.getContext("2d");
ctx.beginPath();
ctx.moveTo(20, 20);
ctx.lineTo(20, 100);
ctx.strokeStyle
= "blue";
ctx.stroke();
ctx.beginPath();
ctx.moveTo(20, 100);
ctx.lineTo(70, 100);
ctx.strokeStyle
= "black";
ctx.stroke();
ctx.beginPath();
ctx.moveTo(70, 100);
ctx.lineTo(70, 20);
ctx.strokeStyle
= "red";
ctx.stroke();
ctx.beginPath();
ctx.moveTo(70, 20);
ctx.lineTo(20, 20);
ctx.strokeStyle
= "green";
ctx.stroke();
</script>
</body>
</html>