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Validate HTML Forms with JavaScript and HTML
Coursera Project Network

Validate HTML Forms with JavaScript and HTML

Taught in English

Judy Richardson

Instructor: Judy Richardson

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Guided Project

Learn, practice, and apply job-ready skills with expert guidance

Intermediate level

Recommended experience

2 hours
Learn at your own pace
No downloads or installation required
Only available on desktop
Hands-on learning

What you'll learn

  • Explain the importance of verifying the data values entered on a form.

  • Write JavaScript code that validates values entered on an HTML form.

  • Demonstrate techniques for validating values entered on a form using HTML built-in validation.

Details to know

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Guided Project

Learn, practice, and apply job-ready skills with expert guidance

Intermediate level

Recommended experience

2 hours
Learn at your own pace
No downloads or installation required
Only available on desktop
Hands-on learning

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About this Guided Project

Learn step-by-step

In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:

  1. Compare client- and server-side validation as you investigate when and where to validate data values to reduce data input errors.

  2. Use JavaScript code to check an input field on a form to ensure that it has been filled in and display an error message if the field is empty.

  3. Use JavaScript to test the value entered into a form field to determine its length and/or whether it falls within a range of numeric values and display an error message if that is not the case.

  4. Test the value entered into a form to ensure that it matches an email address format and display an error message if it does not.

  5. Modify HTML code to include built in form validation to check for a range of numbers, a list of values and the correct format for an email address.

Recommended experience

Basic knowledge of JavaScript and HTML (with exposure to forms) is recommended.

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Instructor

Judy Richardson
Coursera Project Network
66 Courses171,554 learners

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How you'll learn

  • Skill-based, hands-on learning

    Practice new skills by completing job-related tasks.

  • Expert guidance

    Follow along with pre-recorded videos from experts using a unique side-by-side interface.

  • No downloads or installation required

    Access the tools and resources you need in a pre-configured cloud workspace.

  • Available only on desktop

    This Guided Project is designed for laptops or desktop computers with a reliable Internet connection, not mobile devices.

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