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ErrorEvent: colno property - Web APIs

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  1. References
  2. Web APIs
  3. ErrorEvent
  4. colno

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In this article
  1. The HTML DOM API
  2. ErrorEvent
  3. Constructor
    1. ErrorEvent()
  4. Instance properties
    1. colno
    2. error
    3. filename
    4. lineno
    5. message
  5. Inheritance
    1. Event
  6. Related pages for HTML DOM
    1. BeforeUnloadEvent
    2. DOMStringMap
    3. HTMLAnchorElement
    4. HTMLAreaElement
    5. HTMLAudioElement
    6. HTMLBRElement
    7. HTMLBaseElement
    8. HTMLBodyElement
    9. HTMLButtonElement
    10. HTMLCanvasElement
    11. HTMLDListElement
    12. HTMLDataElement
    13. HTMLDataListElement
    14. HTMLDialogElement
    15. HTMLDivElement
    16. HTMLDocument
    17. HTMLElement
    18. HTMLEmbedElement
    19. HTMLFieldSetElement
    20. HTMLFormControlsCollection
    21. HTMLFormElement
    22. HTMLFrameSetElement Deprecated
    23. HTMLHRElement
    24. HTMLHeadElement
    25. HTMLHeadingElement
    26. HTMLHtmlElement
    27. HTMLIFrameElement
    28. HTMLImageElement
    29. HTMLInputElement
    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
  7. Guides
    1. Using microtasks in JavaScript with queueMicrotask()
    2. In depth: Microtasks and the JavaScript runtime environment
In this article ErrorEvent: colno property

Note: This feature is available in Web Workers.

The colno read-only property of the ErrorEvent interface returns an integer containing the column number of the script file on which the error occurred.

Value

An integer.

Examples

js

window.addEventListener("error", (ev) => {
  console.log(`The error occur in column: ${ev.colno}`);
});
Specifications Specification HTML
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This page was last modified on May 30, 2025 by MDN contributors.

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