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Kristin Horton
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1 blink.html 1/1 3: blink.html 5: David J. Malan Computer Science E-75 7: Harvard Extension School 8: 9: --> 11: <!DOCTYPE html PUBLIC 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 13: " 1 15: <html xmlns=" 1 <head> 17: <script type="text/javascript"> 18: // <![CDATA[ 19: 20: function blinker() { 2 var blinks = document.getelementsbytagname("blink"); 23: for (var i = 0; i < blinks.length; i++) 2 { 25: if (blinks[i].style.visibility == "hidden") 2 blinks[i].style.visibility = "visible"; 27: else 28: blinks[i].style.visibility = "hidden"; 29: } 30: } 31: 3 window.setinterval(blinker, 500); 33: 3 // ]]> 35: </script> 3 <title></title> 37: </head> 38: <body> 39: <center> 40: <blink><h1>hello, world</h1></blink> 41: </center> 4 </body> 43: </html> form.html 1/1 3: form1.html 5: A form without client-side validation. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 19: <title></title> 20: </head> <body> 2 <form action="process.php" method="get" name="login"> 23: Username: <input name="username" type="text" /> 2 <br /> 25: Password: <input name="password" type="password" /> 2 <br /><br /> 27: <input type="submit" value="submit" /> 28: </form> 29: 30: </body> 31: </html>

2 form1.html 1/1 3: form1.html 5: A form without client-side validation. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 19: <title></title> 20: </head> <body> 2 <form action="process.php" method="get"> 23: <input name=" " type="text" /> 2 <br /> 25: Password: <input name="password1" type="password" /> 2 <br /> 27: Password (again): <input name="password2" type="password" /> 28: <br /> 29: I agree to the terms and conditions: <input name="agreement" type="checkbox" /> 30: <br /><br /> 31: <input type="submit" value="submit" /> 3 </form> 33: </body> 3 </html> form2.html 1/2 3: form2.html 5: A form with client-side validation. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 2 function validate() 2 if (document.forms.registration. .value == "") 2 alert("you must provide an adddress."); 27: return false; 29: else if (document.forms.registration.password1.value == "") 30: { 31: alert("you must provide a password."); 3 return false; 33: } 3 else if (document.forms.registration.password1.value!= document.forms.registration.password2.value) 35: { 3 alert("you must provide the same password twice."); 37: return false; 38: } 39: else if (!document.forms.registration.agreement.checked) 40: { 41: alert("you must agree to our terms and conditions."); 4 return false; 43: } 4 return true; 4 47: // ]]>

3 form2.html 2/2 48: </script> 49: <title></title> 50: </head> 51: <body> 5 <form action="process.php" id="registration" method="get" onsubmit="return validate();"> 53: <input name=" " type="text" /> 5 <br /> 55: Password: <input name="password1" type="password" /> 5 <br /> 57: Password (again): <input name="password2" type="password" /> 58: <br /> 59: I agree to the terms and conditions: <input name="agreement" type="checkbox" /> 60: <br /><br /> 61: <input type="submit" value="submit" /> 6 </form> 63: </body> 6 </html> form3.html 1/2 3: form3.html 5: A form with client-side validation demonstrating "with" keyword. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 2 function validate() 2 with (document.forms.registration) 2 if ( .value == "") 27: { 28: alert("you must provide an adddress."); 29: return false; 30: } 31: else if (password1.value == "") 3 { 33: alert("you must provide a password."); 3 return false; 35: } 3 else if (password1.value!= password2.value) 37: { 38: alert("you must provide the same password twice."); 39: return false; 40: } 41: else if (!agreement.checked) 4 { 43: alert("you must agree to our terms and conditions."); 4 return false; 4 return true; 47: }

4 form3.html 2/2 48: } 49: 50: // ]]> 51: </script> 5 <title></title> 53: </head> 5 <body> 55: <form action="process.php" method="get" name="registration" onsubmit="return validate();"> 5 <input name=" " type="text" /> 57: <br /> 58: Password: <input name="password1" type="password" /> 59: <br /> 60: Password (again): <input name="password2" type="password" /> 61: <br /> 6 I agree to the terms and conditions: <input name="agreement" type="checkbox" /> 63: <br /><br /> 6 <input type="submit" value="submit" /> 65: </form> 6 </body> 67: </html> form4.html 1/2 3: form4.html 5: A form with client-side validation demonstrating "this" keyword. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 2 function validate(f) 2 if (f. .value == "") 2 alert("you must provide an adddress."); 27: return false; 29: else if (f.password1.value == "") 30: { 31: alert("you must provide a password."); 3 return false; 33: } 3 else if (f.password1.value!= f.password2.value) 35: { 3 alert("you must provide the same password twice."); 37: return false; 38: } 39: else if (!f.agreement.checked) 40: { 41: alert("you must agree to our terms and conditions."); 4 return false; 43: } 4 return true; 4 47: // ]]>

5 form4.html 2/2 48: </script> 49: <title></title> 50: </head> 51: <body> 5 <form action="process.php" method="get" onsubmit="return validate(this);"> 53: <input name=" " type="text" /> 5 <br /> 55: Password: <input name="password1" type="password" /> 5 <br /> 57: Password (again): <input name="password2" type="password" /> 58: <br /> 59: I agree to the terms and conditions: <input name="agreement" type="checkbox" /> 60: <br /><br /> 61: <input type="submit" value="submit" /> 6 </form> 63: </body> 6 </html> form5.html 1/2 3: form5.html 5: A form with client-side validation demonstrating disabled property. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 2 function toggle() 2 if (document.forms.registration.button.disabled) 25: document.forms.registration.button.disabled = false; 2 else 27: document.forms.registration.button.disabled = true; 29: 30: function validate() 31: { 3 if (document.forms.registration. .value == "") 33: { 3 alert("you must provide an adddress."); 35: return false; 3 } 37: else if (document.forms.registration.password1.value == "") 38: { 39: alert("you must provide a password."); 40: return false; 41: } 4 else if (document.forms.registration.password1.value!= document.forms.registration.password2.value) 43: { 4 alert("you must provide the same password twice."); 45: return false; 4 } 47: else if (!document.forms.registration.agreement.checked)

6 form5.html 2/2 48: { 49: alert("you must agree to our terms and conditions."); 50: return false; 51: } 5 return true; 53: } 5 55: // ]]> 5 </script> 57: <title></title> 58: </head> 59: <body> 60: <form action="process.php" method="get" name="registration" onsubmit="return validate();"> 61: <input name=" " type="text" /> 6 <br /> 63: Password: <input name="password1" type="password" /> 6 <br /> 65: Password (again): <input name="password2" type="password" /> 6 <br /> 67: I agree to the terms and conditions: <input name="agreement" onclick="toggle();" type="checkbox" /> 68: <br /><br /> 69: <input disabled="disabled" name="button" type="submit" value="submit" /> 70: </form> 71: </body> 7 </html> form6.html 1/2 3: form6.html 5: A form with client-side validation demonstrating inline JavaScript. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 2 function validate() 2 if (document.forms.registration. .value == "") 2 alert("you must provide an adddress."); 27: return false; 29: else if (document.forms.registration.password1.value == "") 30: { 31: alert("you must provide a password."); 3 return false; 33: } 3 else if (document.forms.registration.password1.value!= document.forms.registration.password2.value) 35: { 3 alert("you must provide the same password twice."); 37: return false; 38: } 39: else if (!document.forms.registration.agreement.checked) 40: { 41: alert("you must agree to our terms and conditions."); 4 return false; 43: } 4 return true; 4 47: // ]]>

7 form6.html 2/2 48: </script> 49: <title></title> 50: </head> 51: <body> 5 <form action="process.php" method="get" name="registration" onsubmit="return validate();"> 53: <input name=" " type="text" /> 5 <br /> 55: Password: <input name="password1" type="password" /> 5 <br /> 57: Password (again): <input name="password2" type="password" /> 58: <br /> 59: I agree to the terms and conditions: <input name="agreement" onclick="document.forms.registration.button.disa bled =!document.forms.registration.button.disabled;" type="checkbox" /> 60: <br /><br /> 61: <input disabled="disabled" name="button" type="submit" value="submit" /> 6 </form> 63: </body> 6 </html> form7.html 1/2 3: form7.html 5: A form with client-side validation demonstrating regular expressions. 1 1 "-//W3C//DTD XHTML 1.0 Transitional//EN" 1 2 function validate() 2 if (!document.forms.registration. .value.match(/.+@.+\.edu$/)) 2 alert("you must provide a.edu adddress."); 27: return false; 29: else if (document.forms.registration.password1.value == "") 30: { 31: alert("you must provide a password."); 3 return false; 33: } 3 else if (document.forms.registration.password1.value!= document.forms.registration.password2.value) 35: { 3 alert("you must provide the same password twice."); 37: return false; 38: } 39: else if (!document.forms.registration.agreement.checked) 40: { 41: alert("you must agree to our terms and conditions."); 4 return false; 43: } 4 return true; 4 47: // ]]>

8 form7.html 2/2 48: </script> 49: <title></title> 50: </head> 51: <body> 5 <form action="process.php" method="get" name="registration" onsubmit="return validate();"> 53: <input name=" " type="text" /> 5 <br /> 55: Password: <input name="password1" type="password" /> 5 <br /> 57: Password (again): <input name="password2" type="password" /> 58: <br /> 59: I agree to the terms and conditions: <input name="agreement" type="checkbox" /> 60: <br /><br /> 61: <input type="submit" value="submit" /> 6 </form> 63: </body> 6 </html> javascript.html 1/1 1: <!DOCTYPE html PUBLIC 3: "-//W3C//DTD XHTML 1.0 Transitional//EN" " 5: <html xmlns=" 7: <head> 8: <title></title> 9: </head> <body> 11: <script type="text/javascript"> 1 // <![CDATA[ 13: 1 document.write("hello, world!"); 15: 1 // ]]> 17: </script> 18: </body> 19: </html>

9 process.php 1/1 quick and dirty dump of HTTP request --> 3: <pre> <? print_r($_request);?> 5: </pre> process.phps 1/1 quick and dirty dump of HTTP request --> 3: <pre> <? print_r($_request);?> 5: </pre>

ajax1.html 1/2 lectures/9/src/ajax/ ajax1.html 2/2 lectures/9/src/ajax/

ajax1.html 1/2 lectures/9/src/ajax/ ajax1.html 2/2 lectures/9/src/ajax/ ajax1.html 1/2 3: ajax1.html 5: Gets stock quote from quote1.php via Ajax, displaying result with alert(). 6: 7: Computer Science 50 8: David J. Malan 9: 10: --> 1 1 15: 16: