iaColSpan - Web APIs | MDN

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Element: ariaColSpan property Baseline 2023 Newly available

Since ⁨October 2023⁩, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.

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The ariaColSpan property of the Element interface reflects the value of the aria-colspan attribute, which defines the number of columns spanned by a cell or gridcell within a table, grid, or treegrid.

In this article

  • Value
  • Examples
  • Specifications
  • Browser compatibility
  • See also

Value

A string which contains an integer.

Examples

In this example the aria-colspan attribute on the element with an ID of spanning-heading is set to "2". Using ariaColSpan we update the value to "3".

html<table> <thead> <tr> <th>Heading 1</th> <th>Heading 2</th> <th>Heading 3</th> </tr> </thead> <tbody> <tr> <td colspan="2" aria-colspan="2" id="spanning-column">Spanning</td> <td>One</td> </tr> </tbody> </table> jslet el = document.getElementById("spanning-column"); console.log(el.ariaColSpan); el.ariaColSpan = "3"; console.log(el.ariaColSpan);

Specifications

Specification
Accessible Rich Internet Applications (WAI-ARIA)# dom-ariamixin-ariacolspan

Browser compatibility

See also

  • ARIA: table role

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This page was last modified on ⁨Nov 3, 2025⁩ by MDN contributors.

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  1. Document Object Model (DOM)
  2. Element
  3. Instance properties
    1. ariaActiveDescendantElement
    2. ariaAtomic
    3. ariaAutoComplete
    4. ariaBrailleLabel
    5. ariaBrailleRoleDescription
    6. ariaBusy
    7. ariaChecked
    8. ariaColCount
    9. ariaColIndex
    10. ariaColIndexText
    11. ariaColSpan
    12. ariaControlsElements
    13. ariaCurrent
    14. ariaDescribedByElements
    15. ariaDescription
    16. ariaDetailsElements
    17. ariaDisabled
    18. ariaErrorMessageElements
    19. ariaExpanded
    20. ariaFlowToElements
    21. ariaHasPopup
    22. ariaHidden
    23. ariaInvalid
    24. ariaKeyShortcuts
    25. ariaLabel
    26. ariaLabelledByElements
    27. ariaLevel
    28. ariaLive
    29. ariaModal
    30. ariaMultiLine
    31. ariaMultiSelectable
    32. ariaOrientation
    33. ariaOwnsElements
    34. ariaPlaceholder
    35. ariaPosInSet
    36. ariaPressed
    37. ariaReadOnly
    38. ariaRelevant Non-standard
    39. ariaRequired
    40. ariaRoleDescription
    41. ariaRowCount
    42. ariaRowIndex
    43. ariaRowIndexText
    44. ariaRowSpan
    45. ariaSelected
    46. ariaSetSize
    47. ariaSort
    48. ariaValueMax
    49. ariaValueMin
    50. ariaValueNow
    51. ariaValueText
    52. assignedSlot
    53. attributes
    54. childElementCount
    55. children
    56. classList
    57. className
    58. clientHeight
    59. clientLeft
    60. clientTop
    61. clientWidth
    62. currentCSSZoom
    63. elementTiming Experimental
    64. firstElementChild
    65. id
    66. innerHTML
    67. lastElementChild
    68. localName
    69. namespaceURI
    70. nextElementSibling
    71. outerHTML
    72. part
    73. prefix
    74. previousElementSibling
    75. role
    76. scrollHeight
    77. scrollLeft
    78. scrollLeftMax Non-standard
    79. scrollTop
    80. scrollTopMax Non-standard
    81. scrollWidth
    82. shadowRoot
    83. slot
    84. tagName
  4. Instance methods
    1. after()
    2. animate()
    3. append()
    4. ariaNotify() Experimental Non-standard
    5. attachShadow()
    6. before()
    7. checkVisibility()
    8. closest()
    9. computedStyleMap()
    10. getAnimations()
    11. getAttribute()
    12. getAttributeNames()
    13. getAttributeNode()
    14. getAttributeNodeNS()
    15. getAttributeNS()
    16. getBoundingClientRect()
    17. getClientRects()
    18. getElementsByClassName()
    19. getElementsByTagName()
    20. getElementsByTagNameNS()
    21. getHTML()
    22. hasAttribute()
    23. hasAttributeNS()
    24. hasAttributes()
    25. hasPointerCapture()
    26. insertAdjacentElement()
    27. insertAdjacentHTML()
    28. insertAdjacentText()
    29. matches()
    30. moveBefore()
    31. prepend()
    32. querySelector()
    33. querySelectorAll()
    34. releasePointerCapture()
    35. remove()
    36. removeAttribute()
    37. removeAttributeNode()
    38. removeAttributeNS()
    39. replaceChildren()
    40. replaceWith()
    41. requestFullscreen()
    42. requestPointerLock()
    43. scroll()
    44. scrollBy()
    45. scrollIntoView()
    46. scrollIntoViewIfNeeded() Non-standard
    47. scrollTo()
    48. setAttribute()
    49. setAttributeNode()
    50. setAttributeNodeNS()
    51. setAttributeNS()
    52. setCapture() Non-standard Deprecated
    53. setHTML() Experimental
    54. setHTMLUnsafe()
    55. setPointerCapture()
    56. toggleAttribute()
  5. Events
    1. afterscriptexecute Non-standard Deprecated
    2. animationcancel
    3. animationend
    4. animationiteration
    5. animationstart
    6. auxclick
    7. beforeinput
    8. beforematch
    9. beforescriptexecute Non-standard Deprecated
    10. beforexrselect Experimental
    11. blur
    12. click
    13. compositionend
    14. compositionstart
    15. compositionupdate
    16. contentvisibilityautostatechange
    17. contextmenu
    18. copy
    19. cut
    20. dblclick
    21. DOMActivate Deprecated
    22. DOMMouseScroll Non-standard Deprecated
    23. focus
    24. focusin
    25. focusout
    26. fullscreenchange
    27. fullscreenerror
    28. gesturechange Non-standard
    29. gestureend Non-standard
    30. gesturestart Non-standard
    31. gotpointercapture
    32. input
    33. keydown
    34. keypress Deprecated
    35. keyup
    36. lostpointercapture
    37. mousedown
    38. mouseenter
    39. mouseleave
    40. mousemove
    41. mouseout
    42. mouseover
    43. mouseup
    44. mousewheel Non-standard Deprecated
    45. MozMousePixelScroll Non-standard Deprecated
    46. paste
    47. pointercancel
    48. pointerdown
    49. pointerenter
    50. pointerleave
    51. pointermove
    52. pointerout
    53. pointerover
    54. pointerrawupdate
    55. pointerup
    56. scroll
    57. scrollend
    58. scrollsnapchange Experimental
    59. scrollsnapchanging Experimental
    60. securitypolicyviolation
    61. touchcancel
    62. touchend
    63. touchmove
    64. touchstart
    65. transitioncancel
    66. transitionend
    67. transitionrun
    68. transitionstart
    69. webkitmouseforcechanged Non-standard
    70. webkitmouseforcedown Non-standard
    71. webkitmouseforceup Non-standard
    72. webkitmouseforcewillbegin Non-standard
    73. wheel
  6. Inheritance
    1. Node
    2. EventTarget
  7. Related pages for DOM
    1. AbortController
    2. AbortSignal
    3. AbstractRange
    4. Attr
    5. CDATASection
    6. CharacterData
    7. Comment
    8. CustomEvent
    9. DOMError Deprecated
    10. DOMException
    11. DOMImplementation
    12. DOMParser
    13. DOMTokenList
    14. Document
    15. DocumentFragment
    16. DocumentType
    17. Event
    18. EventTarget
    19. HTMLCollection
    20. MutationObserver
    21. MutationRecord
    22. NamedNodeMap
    23. Node
    24. NodeIterator
    25. NodeList
    26. ProcessingInstruction
    27. QuotaExceededError Experimental
    28. Range
    29. ShadowRoot
    30. StaticRange
    31. Text
    32. TreeWalker
    33. XMLDocument
    34. XPathEvaluator
    35. XPathExpression
    36. XPathResult
    37. XSLTProcessor
  8. Guides
    1. Anatomy of the DOM
    2. Attribute reflection
    3. Selection and traversal on the DOM tree
    4. Building and updating the DOM tree
    5. Working with events

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