Form Validation in Web Applications

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Questions and Answers

Which type of validation occurs on the server after data submission?

  • Server-side validation (correct)
  • JavaScript validation
  • Client-side validation
  • Built-in form validation

Which attribute specifies the minimum and maximum length of textual data in HTML forms?

  • min and max attributes
  • minlength and maxlength attributes (correct)
  • type attribute
  • required attribute

What is the purpose of form validation in a web application?

  • To check the data before submitting it to the server (correct)
  • To allow any type of data to be submitted
  • To slow down the submission process
  • To increase server load

How does the 'required' attribute in HTML form elements impact form validation?

<p>It enforces filling in a field before form submission (D)</p> Signup and view all the answers

What attribute in HTML5 allows us to define our own rule to validate the input value?

<p>Regular Expressions (B)</p> Signup and view all the answers

Which attribute can be used to prevent a form from being validated when submitted in HTML5?

<p>Formnovalidate (D)</p> Signup and view all the answers

In HTML5, which attribute helps users complete forms based on earlier input?

<p>Autocomplete (D)</p> Signup and view all the answers

Which Boolean attribute in HTML5 works with email and file input types to allow selection of multiple files or emails?

<p>Multiple (D)</p> Signup and view all the answers

What does the multiple attribute in HTML5 allow users to do?

<p>Select multiple files or emails by holding down CTRL or SHIFT key (B)</p> Signup and view all the answers

Which input types support the multiple attribute in HTML5?

<p>Email and file (B)</p> Signup and view all the answers

What does the novalidate attribute in HTML5 signify?

<p>The form shouldn't be validated when submitted (B)</p> Signup and view all the answers

What is the highest priority in CSS overriding?

<p>Inline style sheet (C)</p> Signup and view all the answers

How can you define style rules for a specific HTML element only in CSS?

<p>Using inline style sheet (C)</p> Signup and view all the answers

Where should the style element be placed when using an internal style sheet?

<p>After the opening head tag (A)</p> Signup and view all the answers

What file extension is commonly used for external style sheets?

<p>.css (A)</p> Signup and view all the answers

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