Pirate's profilePirate's bayPhotosBlogListsMore  |  Tools Help |
|
August 09 Javascript <html> <head> <SCRIPT LANGUAGE="JavaScript" TYPE="text/javascript"> function check() { var nameandsurname = document.myform.nameandsurname; var email = document.myform.email; var age = document.myform.age; var gender = document.myform.gender; if ( nameandsurname.value.indexOf(" ") == -1) { alert("Enter your Name and Surname."); nameandsurname.focus(); } else if ((email.value.indexOf("@") == -1) || (email.value.indexOf(".") == -1)) { alert("Enter your valid email address."); email.focus(); } else if (! (parseInt(age.value) > 0)) { alert("Enter your Age."); age.focus(); } else if (gender.selectedIndex == 0) { alert("Select your gender."); gender.focus(); } else { document.myform.submit(); } } </SCRIPT> </head> <body> <form action="action.asp" method="post" name="myform"> Name and Surname: <br/> <input type="text" name="nameandsurname" size="30"> <br/> Email: <br/> <input type="text" name="email" size="30"> <br/> Age: <br/> <input type="text" name="age" size="3"> <br/> Gender: <br/> <select size="1" name="gender"> <option>- Select gender -</option> <option value="Male">Male</option> <option value="Female">Female</option> </select> <br/> <input type="submit" value="Submit" onClick="check();return false;"> </form> </body> </html> .indexof(sth) is method which to be used search sth,if not find , it will return -1 .focus() and .blur() are contra. focus sets a focus on a thing , blur remove a focus on a link |
|
|
