Develop an HTML form that could be used to enter book information (Books, Authors, and Publishers) into our fictional book database system , feel free to start with the HTML JavaScript template include the following Add JavaScript processing to make sure that the information is correctly verified Have your form use more then just character text fields radiobuttons, pick lists, and other elements make your form easier to use and you don't need to do lots of JavaScript checks What fields would be mandatory which could be left blank How would a user know what fields are mandatory Template Template License Form and Validator Template License Form Validator Initialize any global variables to use in processing form data Name validateLicense Description This is the main entry point that is initially called when the user hits the calculate button in the HTML form It will make various calls to functions and built in functions to verify the fields that need to be validated (checked for any errors) Alert buttons are used to indicate issues with the form field values, and a final alert is used to indicate that the license form is validated and correct The final alert will only display if no validation issues are found In the real world you could then be confident to do something with your form data, such as write information to a file or send it to a program (e g , Perl, Java, Ruby) on a web server that would connect to a database and insert the valid field information Parameters None Returns 0 successfully passed all validation function validateLicense() Check all mandatory form fields to make sure they are not empty If the field is empty then return (exit) from the function to put up an alert 1) Create variables to capture the values for all form field you are using var licenseNumber document myLicense licenseNumber value add other variables as needed for fields you want to check 2) Check that all mandatory fields have values If the License Number field is empty then exit the function if (fieldEmpty ( License Number , licenseNumber) ) return Add other mandatory fields checks here using the fieldEmpty function 3) As needed, start validating fields if they have values that need to be verified Is License Number Alphanumeric (only contains letters and numbers) NOTE use the fieldAlphanumberic function and alert if needed if ( fieldAlphanumeric ( License Number , licenseNumber ) ) return Validate values in other fields as needed use built in functions like isNaN and others as needed 4) S U C C E S S if everything works and it gets this far, all validations have passed, just present an alert message alert ( License Information is Valid ) return 0 success Name fieldAlphanumeric Description Checks to see if a field value is only AlphaNumeric, only letters (A Z and a z) and digits (0 9) are allowed) Sample Valid Values 12A, abc12, and 9a1b12c Sample Invalid Value 83$A (has a $ and character) Parameters fieldName The Field Name Label on the HTML form fieldValue The actual value within the field being tested Returns 1 fieldValue contains non alphanumeric characters 0 fieldValue contains alphanumeric characters function fieldAlphanumeric (fieldName, fieldValue) var msg must contain only letters and numbers these is a regular expression test (we'll cover this soon) if ( A Za z0 9 test(fieldValue) ) alert (fieldName (msg)) return 1 fails, contains non alphanumeric characters else return 0 passes, contains only alphanumeric characters Name fieldEmpty Description Determines if a given fieldValue is empty Parameters fieldName The Field Name Label on the HTML form fieldValue The actual value within the field being tested Returns 1 fieldValue is empty 0 fieldValue function fieldEmpty (fieldName, fieldValue) var msg is a required field if(fieldValue ) alert (fieldName (msg)) return 1 else return 0 add other functions if you wish, but not mandatory or expected myLicense Form Validator License Number Another Field

Question: Develop an HTML form that could be used to enter book information (Books, Authors, and Publishers) into our fictional book database system. , feel free

Develop an HTML form that could be used to enter book information (Books, Authors, and Publishers) into our fictional book database system. , feel free to start with the

HTML/JavaScript template include the following Add JavaScript processing to make sure that the information is correctly verified Have your form use more then just character text fields ... radiobuttons, pick lists, and other elements make your form easier to use and you don't need to do lots of JavaScript checks.

What fields would be mandatory ... which could be left blank? How would a user know what fields are mandatory?

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Template - License Form and Validator

myLicense Form Validator

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License Number:
Another Field:
	onclick="document.myLicense.reset();" />