Add pages for HTML*Element.willValidate (#35665)

* Add pages for HTML*Element.willValidate

* Reviews

files/en-us/web/api/htmlbuttonelement/willvalidate/index.md

@@ -0,0 +1,35 @@
+---
+title: "HTMLButtonElement: willValidate property"
+short-title: willValidate
+slug: Web/API/HTMLButtonElement/willValidate
+page-type: web-api-instance-property
+browser-compat: api.HTMLButtonElement.willValidate
+---
+
+{{APIRef("HTML DOM")}}
+
+The **`willValidate`** read-only property of the {{domxref("HTMLButtonElement")}} interface indicates whether the {{htmlelement("button")}} element is a candidate for [constraint validation](/en-US/docs/Web/HTML/Constraint_validation). It is `false` if any conditions bar it from constraint validation, including:
+
+- Its {{domxref("HTMLButtonElement.type", "type")}} is `reset` or `button`;
+- It has a {{HTMLElement("datalist")}} ancestor;
+- The {{domxref("HTMLButtonElement.disabled", "disabled")}} property is `true`.
+
+## Value
+
+A boolean value.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("HTMLButtonElement.checkValidity()")}}
+- {{HTMLElement("button")}}
+- {{HTMLElement("form")}}
+- [Learn: Client-side form validation](/en-US/docs/Learn/Forms/Form_validation)
+- [Guide: Constraint validation](/en-US/docs/Web/HTML/Constraint_validation)

files/en-us/web/api/htmlfieldsetelement/willvalidate/index.md

@@ -0,0 +1,31 @@
+---
+title: "HTMLFieldSetElement: willValidate property"
+short-title: willValidate
+slug: Web/API/HTMLFieldSetElement/willValidate
+page-type: web-api-instance-property
+browser-compat: api.HTMLFieldSetElement.willValidate
+---
+
+{{APIRef("HTML DOM")}}
+
+The **`willValidate`** read-only property of the {{domxref("HTMLFieldSetElement")}} interface returns `false`, because {{HTMLElement("fieldset")}} elements are not candidates for [constraint validation](/en-US/docs/Web/HTML/Constraint_validation).
+
+## Value
+
+The boolean value `false`.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("HTMLFieldSetElement.checkValidity()")}}
+- {{HTMLElement("fieldset")}}
+- {{HTMLElement("form")}}
+- [Learn: Client-side form validation](/en-US/docs/Learn/Forms/Form_validation)
+- [Guide: Constraint validation](/en-US/docs/Web/HTML/Constraint_validation)

files/en-us/web/api/htmlinputelement/willvalidate/index.md

@@ -0,0 +1,35 @@
+---
+title: "HTMLInputElement: willValidate property"
+short-title: willValidate
+slug: Web/API/HTMLInputElement/willValidate
+page-type: web-api-instance-property
+browser-compat: api.HTMLInputElement.willValidate
+---
+
+{{APIRef("HTML DOM")}}
+
+The **`willValidate`** read-only property of the {{domxref("HTMLInputElement")}} interface indicates whether the {{htmlelement("input")}} element is a candidate for [constraint validation](/en-US/docs/Web/HTML/Constraint_validation). It is `false` if any conditions bar it from constraint validation, including:
+
+- Its {{domxref("HTMLInputElement.type", "type")}} is one of `hidden`, `reset` or `button`;
+- It has a {{HTMLElement("datalist")}} ancestor;
+- Its {{domxref("HTMLInputElement.disabled", "disabled")}} property is `true`.
+
+## Value
+
+A boolean value.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("HTMLInputElement.checkValidity()")}}
+- {{HTMLElement("input")}}
+- {{HTMLElement("form")}}
+- [Learn: Client-side form validation](/en-US/docs/Learn/Forms/Form_validation)
+- [Guide: Constraint validation](/en-US/docs/Web/HTML/Constraint_validation)

files/en-us/web/api/htmlobjectelement/willvalidate/index.md

@@ -8,14 +8,11 @@ browser-compat: api.HTMLObjectElement.willValidate
 
 {{APIRef("HTML DOM")}}
 
-The **`willValidate`** read-only property of
-the {{domxref("HTMLObjectElement")}} interface returns a boolean value that
-indicates whether the element is a candidate for constraint validation. Always false for
-HTMLObjectElement objects.
+The **`willValidate`** read-only property of the {{domxref("HTMLObjectElement")}} interface returns `false`, because {{HTMLElement("object")}} elements are not candidates for [constraint validation](/en-US/docs/Web/HTML/Constraint_validation).
 
 ## Value
 
-A boolean value.
+The boolean value `false`.
 
 ## Specifications
 
@@ -24,3 +21,11 @@ A boolean value.
 ## Browser compatibility
 
 {{Compat}}
+
+## See also
+
+- {{domxref("HTMLObjectElement.checkValidity()")}}
+- {{HTMLElement("object")}}
+- {{HTMLElement("form")}}
+- [Learn: Client-side form validation](/en-US/docs/Learn/Forms/Form_validation)
+- [Guide: Constraint validation](/en-US/docs/Web/HTML/Constraint_validation)

files/en-us/web/api/htmloutputelement/index.md

@@ -34,7 +34,7 @@ _This interface also inherits properties from its parent, {{domxref("HTMLElement
 - {{domxref("HTMLOutputElement.value")}}
   - : A string representing the value of the contents of the elements. Behaves like the {{domxref("Node.textContent")}} property.
 - {{domxref("HTMLOutputElement.willValidate")}} {{ReadOnlyInline}}
-  - : A boolean value indicating whether the element is a candidate for constraint validation.
+  - : Returns a boolean value that indicates whether the element is a candidate for constraint validation. Always `false` for `HTMLOutputElement` objects.
 
 ## Instance methods
 

files/en-us/web/api/htmloutputelement/willvalidate/index.md

@@ -0,0 +1,31 @@
+---
+title: "HTMLOutputElement: willValidate property"
+short-title: willValidate
+slug: Web/API/HTMLOutputElement/willValidate
+page-type: web-api-instance-property
+browser-compat: api.HTMLOutputElement.willValidate
+---
+
+{{APIRef("HTML DOM")}}
+
+The **`willValidate`** read-only property of the {{domxref("HTMLOutputElement")}} interface returns `false`, because {{HTMLElement("output")}} elements are not candidates for [constraint validation](/en-US/docs/Web/HTML/Constraint_validation).
+
+## Value
+
+The boolean value `false`.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("HTMLOutputElement.checkValidity()")}}
+- {{HTMLElement("output")}}
+- {{HTMLElement("form")}}
+- [Learn: Client-side form validation](/en-US/docs/Learn/Forms/Form_validation)
+- [Guide: Constraint validation](/en-US/docs/Web/HTML/Constraint_validation)

files/en-us/web/api/htmlselectelement/willvalidate/index.md

@@ -0,0 +1,31 @@
+---
+title: "HTMLSelectElement: willValidate property"
+short-title: willValidate
+slug: Web/API/HTMLSelectElement/willValidate
+page-type: web-api-instance-property
+browser-compat: api.HTMLSelectElement.willValidate
+---
+
+{{APIRef("HTML DOM")}}
+
+The **`willValidate`** read-only property of the {{domxref("HTMLSelectElement")}} interface indicates whether the {{htmlelement("select")}} element is a candidate for [constraint validation](/en-US/docs/Web/HTML/Constraint_validation). It is `false` if any conditions bar it from constraint validation, such as when its {{domxref("HTMLSelectElement.disabled", "disabled")}} property is `true`.
+
+## Value
+
+A boolean value.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("HTMLSelectElement.checkValidity()")}}
+- {{HTMLElement("select")}}
+- {{HTMLElement("form")}}
+- [Learn: Client-side form validation](/en-US/docs/Learn/Forms/Form_validation)
+- [Guide: Constraint validation](/en-US/docs/Web/HTML/Constraint_validation)

files/en-us/web/api/htmltextareaelement/willvalidate/index.md

@@ -0,0 +1,31 @@
+---
+title: "HTMLTextAreaElement: willValidate property"
+short-title: willValidate
+slug: Web/API/HTMLTextAreaElement/willValidate
+page-type: web-api-instance-property
+browser-compat: api.HTMLTextAreaElement.willValidate
+---
+
+{{APIRef("HTML DOM")}}
+
+The **`willValidate`** read-only property of the {{domxref("HTMLTextAreaElement")}} interface indicates whether the {{htmlelement("textarea")}} element is a candidate for [constraint validation](/en-US/docs/Web/HTML/Constraint_validation). It is `false` if any conditions bar it from constraint validation, such as when its {{domxref("HTMLTextAreaElement.disabled", "disabled")}} or {{domxref("HTMLTextAreaElement.readOnly", "readOnly")}} property is `true`.
+
+## Value
+
+A boolean value.
+
+## Specifications
+
+{{Specifications}}
+
+## Browser compatibility
+
+{{Compat}}
+
+## See also
+
+- {{domxref("HTMLTextAreaElement.checkValidity()")}}
+- {{HTMLElement("textarea")}}
+- {{HTMLElement("form")}}
+- [Learn: Client-side form validation](/en-US/docs/Learn/Forms/Form_validation)
+- [Guide: Constraint validation](/en-US/docs/Web/HTML/Constraint_validation)