Question

In: Computer Science

You are designing a web page that allows users to create an event listing. The event...

You are designing a web page that allows users to create an event listing.
The event listing should include the date, time, location, title, phone,
email, coordinator, and description of the event.
The location should be between 10 and 100 characters long.
The title should be between 1 and 50 characters long.
The description should be between 10 and 200 characters long.
Phone number consists of numbers and dashes.
Email has to have an @ symbol.

All data elements should be entered by the user.

Create a form and use JavaScript to validate the user data.

Submitting valid data should result in a page that displays the date, time, location, title and description.

Solutions

Expert Solution

<!--###########################################################-->
<!--event.html-->
<html>
<head>
<title>
</title>
<script type="text/javascript">
   function validate(){
       var location=document.forms["myForm"]["txtLocation"].value;
       var title=document.forms["myForm"]["txtTitle"].value;
       var description=document.forms["myForm"]["txtDescription"].value;
       var phone=document.forms["myForm"]["txtPhone"].value;
       var email=document.forms["myForm"]["txtEmail"].value;
      
      
      
       if(location.length<10 || location.length>100){
           alert("Location length must be in between 10 and 100!");
           return false;
       }
       if(title.length>50){
           alert("Title length must be in between 1 and 50!");
           return false;
       }
      
       var phoneParse = /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/;
       if(!(phone.match(phoneParse))){
           alert("Phone number should be in XXX-XXX-XXXX format!");
           return false;
       }
      
       var atposition=email.indexOf("@");
       var dotposition=email.lastIndexOf(".");
       if (atposition<1 || dotposition<atposition+2 || dotposition+2>=x.length){
           alert("Please enter a valid e-mail address");
           return false;
       }
      
       if(description.length<10 || description.length>200){
           alert("Description length must be in between 10 and 200!");
           return false;
       }
              
   }
</script>
</head>
<body>
   <form name="myForm" action="next.html" onsubmit="return validate()" method="get">
       Date: <input type="date" name="eventDate" required><br><br>
       Time: <input type="time" name="eventTime" required><br><br>
       Location: <input type="text" name="txtLocation" required><br><br>
       Title: <input type="text" name="txtTitle" required><br><br>
       Phone: <input type="text" name="txtPhone" required><br><br>
       Email: <input type="email" name="txtEmail" required><br><br>
       Coordinator: <input type="text" name="txtCoordinator" required><br><br>
       Description: <input type="text" name="txtDescription" required><br><br>  
       <input type="submit" value="Submit">
   </form>
  
</body>
<!--###########################################################-->

<!--###########################################################-->
<!--next.html-->
<html>
<head>
<title>
</title>
</head>
<body>

   <p><b>Date: </b> <span id="date" ></span></p>
   <p><b>Time: </b><span id="time"></span></p>
   <p><b>Location: </b> <span id="location" ></span></p>
   <p><b>Title: </b><span id="title"></span></p>
   <p><b>Phone: </b> <span id="phone" ></span></p>
   <p><b>Email: </b> <span id="email" ></span></p>
   <p><b>Coordinator: </b><span id="coordinator"></span></p>
   <p><b>Description: </b> <span id="description" ></span></p>
  
   <script language="JavaScript">
   function processUser()
   {
       var parameters = location.search.substring(1).split("&");

       var temp = parameters[0].split("=");
       dt = unescape(temp[1]);
       temp = parameters[1].split("=");
       tm = unescape(temp[1]);
       temp = parameters[2].split("=");
       loc = unescape(temp[1]);
       temp = parameters[3].split("=");
       title = unescape(temp[1]);
       temp = parameters[4].split("=");
       phone = unescape(temp[1]);
      
       temp = parameters[5].split("=");
       mail = unescape(temp[1]);
       temp = parameters[6].split("=");
       coord = unescape(temp[1]);
       temp = parameters[7].split("=");
       desc = unescape(temp[1]);
      
      
      
      
       document.getElementById("date").innerHTML = dt;
       document.getElementById("time").innerHTML = tm;
       document.getElementById("location").innerHTML = loc;
       document.getElementById("title").innerHTML = title;
       document.getElementById("phone").innerHTML = phone;
      
       document.getElementById("email").innerHTML = mail;
       document.getElementById("coordinator").innerHTML = coord;
       document.getElementById("description").innerHTML = desc;
      
  
   }
   processUser();
   </script>
</body>
<!--###########################################################-->

venereology answered 1 year ago
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