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HTML Checking for Large Sites

Rocket Validator integrates the W3C Validator HTML checker into an automated web crawler.

An element with role=button can’t have an input element as descendant.

The ARIA role button can be added to an element to make it behave like a <button> – just like a <button> is not allowed to contain other <input> elements as descendants, any element with this role is not allowed to contain them either.

All these examples in the following code will raise a similar issue:

<div role="button">
  <input type="checkbox" />

  <input type="checkbox" />

  <input type="checkbox" />

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Related W3C validator issues