78
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Just a Generic Page</title>
<script>
setTimeout(wakeUp, 5000);
function wakeUp () {
alert("Hello, are you still there?");
}
</script>
</head>
<body>
<h1>Page Heading</h1>
<p>just some dummy text to fill in the space until something
better comes along</p>
</body>
</html>
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Just a Generic Page</title>
<script src="js/scripting.js" type="text/javascript"></script>
</head>
<body>
<h1>Page Heading</h1>
<p>just some dummy text to fill in the space until something
better comes along</p>
</body>
</html>
setTimeout(wakeUp, 5000);
function wakeUp () {
alert("Hello, are you still there?");
}
<H1> I’m a heading</H1>
<P> I’m a paragraph of text.</P>
H1{
font-size:90px;
}
P{
font-size:8px;
}
var a = 10;
var b = 2;
var c = a+b;
setTimeout(wakeUp, 5000);
function wakeUp () {
alert(a + ' + ' + b +'=' +c);
}
var car = “Ferrari’;
var carMoving = “false”;
if (carMoving == true) {
alert(“Watch out”);
} else{
alert(“Walk”);
}
var car = “Ferrari”;
var carMoving = false;
if (carMoving == true) {
alert(“Watch out”);
} else{
alert(“Walk”);
}
var drink = “Fanta”;
var joesFavouriteDrink =
‘Milk’;
var dairy = true;
if (dairy == true) {
alert(“Keep an eye on
Joe”);
}else{
alert(“Ask for a” + drink
);
}
var drink = Fanta;
var
joe’sFavouriteDrink =
‘Milk’
var dairy = ‘true’;
if (Dairy == true) {
alert(“Keep an eye on
Joe”);
} else{
alert(“Ask for a” +
drink );
}
var car = “Ferrari’;
var carMoving = “false”;
if (carMoving == true) {
alert(“Watch out”);
}else{
alert(“Walk”);
}
var drink = Fanta;
var joe’sFavouriteDrink = ‘Milk’
var dairy = ‘true’;
if (Dairy == true) {
alert(“Keep an eye on Joe”);
}else{
alert(“Ask for a” + drink );
}
1. <!doctype html>
2. <html lang="en">
3. <head>
4. <meta charset="utf-8">
5. <title>My First Java Script Page</title>
6. </head>
7. <body>
8. <script type="text/javascript">
9. <!--
10. document.write("Hello there.");
11 //-->
12. </script>
13. <noscript>Your browser does not support JavaScript or JavaScript isn’t
enabled, please upgrade your browser or enable JavaScript to view the
content</noscript>
14. </body>
15.</html>
1. <!doctype html>
2. <html lang="en">
3. <head>
4. <meta charset="utf-8">
5. <title>My First Java Script Page</title>
6. </head>
7. <body>
8. <script type="text/javascript">
9. <!--
10. document.write("Hello there.");
11. //-->
12. </script>
13. <noscript>Your browser does not support JavaScript, please enable
Javascript to view the content</noscript>
14. </body>
15.</html>
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset=”utf-8"> 5. <title>My First Java Script Page</title> 6. </head> 7. <body> 8. <script type="text/javascript"> 9. str = "Hello World"; 10. document.write(str); 11. </script> 12. </body> 13. </html>
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset="utf-8"> 5. <title>Concatenating Strings</title> 6. </head> 7. <body> 8. <script type="text/javascript"> 9. str1 = "Hello"; 10. str2 = "Kevin, have a nice day"; 11. str3 = str1 + " " + str2; 12. document.write(str3); 13. </script> 14. </body> 15. </html>
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset="utf-8"> 5. <title>Concatenating Strings</title> 6. </head> 7. <body> 8. <script type="text/javascript"> 9. str1 = "Hello"; 10. str2 = "Kevin, have a nice day"; 11. str3 = str1 + " " + str2; 12. document.write(str3); 13. </script> 14. </body> 15. </html>
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset=”utf-8"/> 5. <title>Variables</title> 6. </head> 7. <body> 8. <script type="text/javascript"> 9. num1 = 3; 10. num2 = 6; 11. sum = num1 + num2; 12. document.write(num1 + " + " + num2 + " = " + sum); 13. </script> 14. </body> 15. </html>
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset="utf-8">
5. <title>Add 2 Fields</title> 6. </head> 7. <body> 8. <form id="calculate" name="calculate" method="post"> 9. <p> 10. <label for="numberOne">First Number:</label> 11. <input type="text" name="numberOne"
id="numberOne"> 12. </p> 13. <p> 14. <label for="numberTwo">Second Number:</label> 15. <input type="text" name="numberTwo"
id="numberTwo"> 16. </p> 17. <p> 18. <label for="answer">Answer:</label> 19. <input type="text" name="answer" id="answer"
readonly> 20. </p> 21. </form> 22. </body>
23. </html>
1. <script type="text/javascript"> 2. function findAnswer(){ 3. var num1 = document.forms['calculate'].numberOne.value; 4. var num2 = document.forms['calculate'].numberTwo.value; 5. var answerIt = num1 + num2; 6. document.forms['calculate'].answer.value = answerIt;
7. } 8. </script>
1. <p> 2. <input type="button" name="answerButton" onClick="findAnswer()"
id="answerButton" value="Calculate Answer">
3. </p>
☒
☒
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset="utf-8">
5. <title>Add 2 Fields</title> 6. </head> 7. <body> 8. <form id="calculate" name="calculate" method="post"> 9. <p> 10. <label for="numberOne">First Number:</label> 11. <input type="number" name="numberOne"
id="numberOne"> 12. </p> 13. <p> 14. <label for="numberTwo">Second Number:</label> 15. <input type="number" name="numberTwo"
id="numberTwo"> 16. </p> 17. <p> 18. <label for="answer">Answer:</label> 19. <input type="number" name="answer" id="answer"
readonly> 20. </p> 21. </form> 22. </body>
23. </html>
1. <script type="text/javascript"> 2. function findAnswer(){ 3. var num1 = Number(document.forms['calculate'].numberOne.value); 4. var num2 = Number(document.forms['calculate'].numberTwo.value); 5. var answerIt = num1 + num2; 6. document.forms['calculate'].answer.value = answerIt;
7. } 8. </script>
1. <p> 2. <input type="button" name="answerButton" onClick="findAnswer()"
id="answerButton" value="Calculate Answer">
3. </p>
Statement 1
Statement 2
Statement 3
Statement 1
Statement 3 Statement 2
Statement 4
Condition
Statement 1
Statement 2
Check
Condition
True
False
No
Start
Read
Mark
Is Mark text
or <0 or
>100
Alert
Error
Is Mark
<50
End
Print Mark
(Fail)
Print Mark
(Distinction)
Yes
Yes
No
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset="utf-8"> 5. <title>Grades</title> 6. <script type="text/javascript"> 7. function displaymarks() { 8. var mark = Number(document.getElementById("mark").value); 9. if(isNaN(mark) == true || mark < 0 || mark > 100 ) { 10. alert("Mark is not a valid number between 0 and 100"); 11. }else{ 12. if (mark >= 50) { // if mark is a number greater or equal to
50 but lower than 100 13. document.getElementById("result").innerHTML ="<font color =
'green'>You have received a Pass</font>"; 14. } 15. else if (mark < 50) { // if mark is a lower than 50 but
higher than zero 16. document.getElementById("result").innerHTML ="You have
received a Fail"; 17. } 18. } 19. } 20. </script> 21. </head> 22. <body> 23. <form id="form1" name="form1" method="post" action=""> 24. <p> 25. <label for="Mark"> Mark out of 100:</label> 26. <input type="text" name="mark" id="mark" /> 27. </p> 28. <p> 29. <label for="Grade"></label> 30. <input type="button" name="grade" id="grade" value="Grade"
onclick="javascript: displaymarks()" /> 31. </p> 32. </form> 33. <strong><span id="result"></span></strong> 34. </body>
35. </html> 36.
if(isNaN(mark) == true || mark < 0 || mark > 100 ) {
if (condition1) {
block of code to be executed if condition1 is true
} else if (condition2) {
block of code to be executed if the condition1 is false
and condition2 is true
} else {
block of code to be executed if the condition1 is false
and condition2 is false
}
1. if(isNaN(mark) == true || mark < 0 || mark > 100 ) { 2. alert("Mark is not a valid number between 0 and 100"); 3. }else{ 4. if (mark >= 50) { // if mark is a number greater or equal to 50 but lower
than 100 5. document.getElementById("result").innerHTML ="<font color = 'green'>You
have received a Pass</font>"; 6. } 7. else if (mark < 50) { // if mark is a lower than 50 but higher than zero 8. document.getElementById("result").innerHTML ="You have received a Fail"; 9. }
10. }
if (condition) {
block of code to be executed if the condition is true
} else {
block of code to be executed if the condition is false
}
if (bidders >= 10) {
alert("This is a great property who wants to buy?");
}else if (bidders == 3 {
alert("The bidding is getting tough");
} else if (bidders == 2) {
alert("Only two bidders on this this great property");
} else if (bidders == 1) {
alert("Going once, Going twice, GONE");
} else {
alert("The property has been passed in at auction");
}
while (i < 10) {
document.write("The number is " + i);
i++;
}
var results = [55, 75, 66, 39, 60, 88, 74, 60, 57, 81, 93, 52, 70, 49, 89];
var student2 = results[2];
alert(“Student two’s result is “ + student2);
var students =[ ];
var students =[“Fred”, “Ginger”, “Joan”, “Jackie”, “Bruce”,
“Melissa”, “Cheryl”, “Oxnard”];
var students =[“Fred”, “Ginger”, “Joan”, “Jackie”, “Bruce”,
“Melissa”, “Cheryl”, “Oxnard”];
students[5]=“Max”;
var students =[“Fred”, “Ginger”, “Joan”, “Jackie”, “Bruce”,
“Max”, “Cheryl”, “Oxnard”];
1. <!doctype html> 2. <html lang="en"> 3. <head> 4. <title>Random Words</title> 5. <meta charset="utf-8"> 6. <script> 7. function makePhrases() { 8. var words1 = ["1", "2", "3", "4", "5"]; 9. var words2 = ["tweeting", "bouncing", "mooing", "honking",
"quacking"]; 10. var words3 = ["birds", "kangaroos", "cows", "swans", "ducks"]; 11. var rand1 = Math.floor(Math.random() * words1.length); 12. var rand2 = Math.floor(Math.random() * words2.length); 13. var rand3 = Math.floor(Math.random() * words3.length); 14. var phrase = words1[rand1] + " " + words2[rand2] + " " +
words3[rand3]; 15. alert(phrase); 16. } 17. makePhrases(); 18. </script> 19. </head> 20. <body> 21. </body>
22. </html>
var emptyArray = [ ];
var a = [1, 2, 3] a[10] a[-1]
myArray[myArray.length - 1]
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset="utf-8"> 5. <title>Grades</title> 6. <script type="text/javascript"> 7. var marks = []; // create the array globally 8. function displaymarks() { 9. var mark = Number(document.getElementById("mark").value); 10. if(isNaN(mark) == true || mark < 0 || mark >100 ) { 11. alert("Mark is not a valid number from 1 to 100"); 12. }else{ 13. marks.push(mark); // add mark to end of array 14. var display = ""; // declare and intialise display string 15. var sum = 0; // temporary running total field 16. var avg = 0; // temporary avgerage field 17. for (i = 0; i < marks.length; i++) { 18. sum += marks[i]; // total all marks in array together; 19. display = display + "Mark " + (i + 1) + ": " + marks[i] + "%
(" + marksToGrade(marks[i]) + ") <br/>"; 20. } 21. avg = sum / marks.length; // calculate the average 22. display = display + "<br/>Average is " + avg.toFixed(2) + "% ("
+ marksToGrade(avg) + ") <br/>"; 23. document.getElementById("result").innerHTML = display;
//display the result 24. document.getElementById("mark").value = ""; // clear
the input box 25. } 26. } 27. function marksToGrade(mark){ 28. var grade; 29. if (mark < 50) { 30. grade = "Fail"; 31. } 32. else if (mark < 70) { 33. grade = "Pass"; 34. } 35. else if (mark < 83){ 36. grade = "Credit"; 37. }else{ 38. grade = "Distinction"; 39. } 40. return grade; 41. } 42. </script> 43. </head> 44. <body> 45. <form id="form1" name="form1" method="post" action=""> 46. <p> 47. <label for="Mark">Mark out of 100:</label> 48. <input type="text" name="mark" id="mark" /> 49. </p> 50. <p> 51. <label for="Grade"></label>
1. <!doctype html> 2. <html> 3. <head> 4. <meta charset="utf-8"> 5. <title>Grades</title> 6. <script type="text/javascript"> 7. function displaymarks() { 8. var mark = Number(document.getElementById("Mark").value); 9. if(NaN(mark) == true || mark < 0 || mark >100 ) { 10. alert("Mark is not a valid number between 0 and 100"); 11. }else{ 12. if (mark >= 50) { // if mark is a number greater or equal to 50 but lower than
100 13. document.getElementById("resutl").innerHTML ="<font color = 'green'>You
have received a Pass</font>"; 14. } 15. else if (mark < 50) { // if mark is a lower than 50 but higher than zero 16. document.getElementById("result).innerHTML ="You have received a Fail";} 17. } 18. } 19. </script> 20. </head> 21. <body> 22. <form id="form1" name="form1" method="post" action=""> 23. <p> 24. <label for="Mark"> Mark out of 100:</label> 25. <input type="text" name="mark" id="marK" /> 26. </p> 27. <p> 28. <label for="Grade"></label> 29. <input type="button" name="grade" id="garde" value="Grade"
onclick="javascript: dispalymarks()" /> 30. </p> 31. </form> 32. <strong><span id="result"></span></strong> 33. </body> 34. </html>
document.getElementById("result).innerHTML ="You have received a
Fail";}
