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HTMLInputElement: willValidate property - Web APIs

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  2. Web APIs
  3. HTMLInputElement
  4. willValidate

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In this article
  1. The HTML DOM API
  2. HTMLInputElement
  3. Instance properties
    1. accept
    2. alt
    3. autocomplete
    4. capture
    5. checked
    6. defaultChecked
    7. defaultValue
    8. dirName
    9. disabled
    10. files
    11. form
    12. formAction
    13. formEnctype
    14. formMethod
    15. formNoValidate
    16. formTarget
    17. height
    18. indeterminate
    19. labels
    20. list
    21. max
    22. maxLength
    23. min
    24. minLength
    25. multiple
    26. name
    27. pattern
    28. placeholder
    29. popoverTargetAction
    30. popoverTargetElement
    31. readOnly
    32. required
    33. selectionDirection
    34. selectionEnd
    35. selectionStart
    36. size
    37. src
    38. step
    39. type
    40. validationMessage
    41. validity
    42. value
    43. valueAsDate
    44. valueAsNumber
    45. webkitdirectory
    46. webkitEntries
    47. width
    48. willValidate
  4. Instance methods
    1. checkValidity()
    2. reportValidity()
    3. select()
    4. setCustomValidity()
    5. setRangeText()
    6. setSelectionRange()
    7. showPicker()
    8. stepDown()
    9. stepUp()
  5. Events
    1. cancel
    2. invalid
    3. search Non-standard
    4. select
    5. selectionchange
  6. Inheritance
    1. HTMLElement
    2. Element
    3. Node
    4. EventTarget
  7. Related pages for HTML DOM
    1. BeforeUnloadEvent
    2. DOMStringMap
    3. ErrorEvent
    4. HTMLAnchorElement
    5. HTMLAreaElement
    6. HTMLAudioElement
    7. HTMLBRElement
    8. HTMLBaseElement
    9. HTMLBodyElement
    10. HTMLButtonElement
    11. HTMLCanvasElement
    12. HTMLDListElement
    13. HTMLDataElement
    14. HTMLDataListElement
    15. HTMLDialogElement
    16. HTMLDivElement
    17. HTMLDocument
    18. HTMLElement
    19. HTMLEmbedElement
    20. HTMLFieldSetElement
    21. HTMLFormControlsCollection
    22. HTMLFormElement
    23. HTMLFrameSetElement Deprecated
    24. HTMLHRElement
    25. HTMLHeadElement
    26. HTMLHeadingElement
    27. HTMLHtmlElement
    28. HTMLIFrameElement
    29. HTMLImageElement
    30. HTMLLIElement
    31. HTMLLabelElement
    32. HTMLLegendElement
    33. HTMLLinkElement
    34. HTMLMapElement
    35. HTMLMediaElement
    36. HTMLMenuElement
    37. HTMLMetaElement
    38. HTMLMeterElement
    39. HTMLModElement
    40. HTMLOListElement
    41. HTMLObjectElement
    42. HTMLOptGroupElement
    43. HTMLOptionElement
    44. HTMLOptionsCollection
    45. HTMLOutputElement
    46. HTMLParagraphElement
    47. HTMLPictureElement
    48. HTMLPreElement
    49. HTMLProgressElement
    50. HTMLQuoteElement
    51. HTMLScriptElement
    52. HTMLSelectElement
    53. HTMLSourceElement
    54. HTMLSpanElement
    55. HTMLStyleElement
    56. HTMLTableCaptionElement
    57. HTMLTableCellElement
    58. HTMLTableColElement
    59. HTMLTableElement
    60. HTMLTableRowElement
    61. HTMLTableSectionElement
    62. HTMLTemplateElement
    63. HTMLTextAreaElement
    64. HTMLTimeElement
    65. HTMLTitleElement
    66. HTMLTrackElement
    67. HTMLUListElement
    68. HTMLUnknownElement
    69. HTMLVideoElement
    70. HashChangeEvent
    71. History
    72. ImageData
    73. Location
    74. MessageChannel
    75. MessageEvent
    76. MessagePort
    77. Navigator
    78. PageRevealEvent
    79. PageSwapEvent
    80. PageTransitionEvent
    81. Plugin Deprecated
    82. PluginArray Deprecated
    83. PromiseRejectionEvent
    84. RadioNodeList
    85. UserActivation
    86. ValidityState
    87. Window
    88. WorkletGlobalScope
In this article HTMLInputElement: willValidate property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.

The willValidate read-only property of the HTMLInputElement interface indicates whether the <input> element is a candidate for constraint validation. It is false if any conditions bar it from constraint validation, including:

Value

A boolean value.

Specifications Specification HTML
# dom-cva-willvalidate-dev
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This page was last modified on Apr 10, 2025 by MDN contributors.

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