Beginning JavaScript with DOM Scripting and AJAX

Chapter 9: Data Validation Techniques

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• Protecting Web Pages with JavaScript

  • examplePassword.html
  • boo.html
  • creditCardNumbers.html

• Testing if a string is a valid number using string methods

  • exampleCheckNumberString.html

• Testing if a string is a valid email using string methods

  • exampleCheckEmailString.html

• Testing if a string is a valid number using calculation methods

  • exampleCheckNumberMath.html

• Testing if a string is a valid date using calculation methods

  • exampleCheckDateMath.html

• Testing if a string is a valid date using the Date object

  • exampleCheckDateObj.html

• Reversing the order of names with Regular expressions

  • exampleNameOrder.html

• Showing the URL of a link behind it via Regular Expressions

  • exampleShowURL.html

• Retrieving mandatory fields from a hidden field

  • exampleHiddenFieldForm.html
  • hiddenFieldForm.js

• Retrieving mandatory fields from HTML indicators

  • exampleAsteriskForm.html
  • asteriskForm.js

• Retrieving mandatory fields by class name

  • exampleClassesForm.html
  • classesForm.js

• Sharing validation rules client and server side

  • validationRules.php
  • validationRules.php?json=1

• Showing a list of error fields above the submit button

  • exampleTopList.html
  • topList.js

• Hiding the main form on validation

  • exampleHideForm.html
  • hideForm.js

• Showing error messages at each erroneous form field

  • exampleErrorFields.html
  • errorFields.js

• Showing error messages instantly at each erroneous form field

  • exampleDynamicFields.html
  • dynamicFields.js

• Suggesting the user possible solutions dynamically

  • exampleContactSuggest.html
  • contactSuggest.js
  • contacts.xml

• Helper functions

  • DOMhelp.js

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