35. Form Validation Attributes

HTML5 includes built-in validation features such as required, min, max, pattern, and type-based validation. These reduce the need for simple validation scripts.

Syntax

<input type="email" required>

Example

<form>
    <input type="email" required placeholder="Enter email">
    <input type="submit">
</form>

Output

The browser blocks submission if the email field is empty or invalid.

Example

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Introduction to HTML Basic HTML Document Structure Headings Paragraphs Line Break and Horizontal Rule Text Formatting Tags Comments Attributes Links Open Link in New Tab

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