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HTMLTextAreaElement: validationMessage

Baseline

20157

validationMessage HTMLTextAreaElement <textarea> HTMLTextAreaElement.willValidate false

<textarea> willValidate trueHTMLInputElement.validity valid false

js
const textarea = document.getElementById("myTextArea");
const errorMessage = textarea.validationMessage;

HTML
# dom-cva-validationmessage-dev

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MDN 2026412

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  1. HTML DOM API
  2. HTMLTextAreaElement
    1. autocomplete
    2. cols
    3. defaultValue
    4. dirName
    5. disabled
    6. form
    7. labels
    8. maxLength
    9. minLength
    10. name
    11. placeholder
    12. readOnly
    13. required
    14. rows
    15. selectionDirection
    16. selectionEnd
    17. selectionStart
    18. textLength
    19. type
    20. validationMessage
    21. validity
    22. value
    23. willValidate
    24. wrap
    1. checkValidity()
    2. reportValidity()
    3. select()
    4. setCustomValidity()
    5. setRangeText()
    6. setSelectionRange()
    1. select
    2. selectionchange
    1. HTMLElement
    2. Element
    3. Node
    4. EventTarget
  7. 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
    24. HTMLGeolocationElement
    25. HTMLHRElement
    26. HTMLHeadElement
    27. HTMLHeadingElement
    28. HTMLHtmlElement
    29. HTMLIFrameElement
    30. HTMLImageElement
    31. HTMLInputElement
    32. HTMLLIElement
    33. HTMLLabelElement
    34. HTMLLegendElement
    35. HTMLLinkElement
    36. HTMLMapElement
    37. HTMLMediaElement
    38. HTMLMenuElement
    39. HTMLMetaElement
    40. HTMLMeterElement
    41. HTMLModElement
    42. HTMLOListElement
    43. HTMLObjectElement
    44. HTMLOptGroupElement
    45. HTMLOptionElement
    46. HTMLOptionsCollection
    47. HTMLOutputElement
    48. HTMLParagraphElement
    49. HTMLPictureElement
    50. HTMLPreElement
    51. HTMLProgressElement
    52. HTMLQuoteElement
    53. HTMLScriptElement
    54. HTMLSelectElement
    55. HTMLSourceElement
    56. HTMLSpanElement
    57. HTMLStyleElement
    58. HTMLTableCaptionElement
    59. HTMLTableCellElement
    60. HTMLTableColElement
    61. HTMLTableElement
    62. HTMLTableRowElement
    63. HTMLTableSectionElement
    64. HTMLTemplateElement
    65. HTMLTimeElement
    66. HTMLTitleElement
    67. HTMLTrackElement
    68. HTMLUListElement
    69. HTMLUnknownElement
    70. HTMLVideoElement
    71. HashChangeEvent
    72. History
    73. ImageData
    74. Location
    75. MessageChannel
    76. MessageEvent
    77. MessagePort
    78. Navigator
    79. PageRevealEvent
    80. PageSwapEvent
    81. PageTransitionEvent
    82. Plugin
    83. PluginArray
    84. PromiseRejectionEvent
    85. RadioNodeList
    86. TimeRanges
    87. UserActivation
    88. ValidityState
    89. Window
    90. WorkletGlobalScope
    1. JavaScript queueMicrotask()
    2. In depth: Microtasks and the JavaScript runtime environment
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