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  1. Tecnología para desarrolladores web
  2. Referencia de la API Web
  3. Documento
  4. element.hasFocus
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element.hasFocus

Resumen

El atributo hasFocus devuelve true si el foco está en en algún sitio del documento activo. Este atributo es parte de la especificación HTML 5 actualmente en desarrollo.

Sintaxis

focused = element.hasFocus

Ejemplo

Especificación

Focus management

Last modified: Apr 21, 2021, by MDN contributors

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Related Topics

  1. Document
  2. Constructor
    1. Document()
  3. Propiedades
    1. activeElement
    2. This deprecated API should no longer be used, but will probably still work. alinkColor
    3. This deprecated API should no longer be used, but will probably still work. all
    4. This deprecated API should no longer be used, but will probably still work. anchors
    5. This deprecated API should no longer be used, but will probably still work. applets
    6. This deprecated API should no longer be used, but will probably still work. bgColor
    7. body
    8. characterSet
    9. childElementCount
    10. children
    11. compatMode
    12. contentType
    13. currentScript
    14. defaultView
    15. designMode
    16. dir
    17. doctype
    18. documentElement
    19. documentURI
    20. This API has not been standardized. documentURIObject
    21. domain
    22. embeds
    23. This deprecated API should no longer be used, but will probably still work. fgColor
    24. firstElementChild
    25. forms
    26. This deprecated API should no longer be used, but will probably still work. fullscreen
    27. fullscreenElement
    28. fullscreenEnabled
    29. head
    30. This is an obsolete API and is no longer guaranteed to work. height
    31. hidden
    32. images
    33. implementation
    34. lastElementChild
    35. lastModified
    36. lastStyleSheetSet
    37. This deprecated API should no longer be used, but will probably still work. linkColor
    38. links
    39. location
    40. This API has not been standardized. mozSyntheticDocument
    41. This is an experimental API that should not be used in production code. onabort
    42. This API has not been standardized. onafterscriptexecute
    43. onanimationcancel
    44. onanimationend
    45. This is an experimental API that should not be used in production code. onanimationiteration
    46. This is an experimental API that should not be used in production code. onauxclick
    47. This API has not been standardized. onbeforescriptexecute
    48. onblur
    49. oncancel
    50. oncanplay
    51. oncanplaythrough
    52. onchange
    53. onclick
    54. This is an experimental API that should not be used in production code. onclose
    55. oncontextmenu
    56. oncuechange
    57. ondblclick
    58. ondurationchange
    59. onended
    60. onerror
    61. onfocus
    62. This is an experimental API that should not be used in production code. onformdata
    63. onfullscreenchange
    64. onfullscreenerror
    65. ongotpointercapture
    66. oninput
    67. oninvalid
    68. onkeydown
    69. onkeypress
    70. onkeyup
    71. onload
    72. onloadeddata
    73. onloadedmetadata
    74. onloadend
    75. onloadstart
    76. onlostpointercapture
    77. onmousedown
    78. onmouseenter
    79. onmouseleave
    80. onmousemove
    81. onmouseout
    82. onmouseover
    83. onmouseup
    84. onoffline
    85. ononline
    86. onpause
    87. onplay
    88. onplaying
    89. onpointercancel
    90. onpointerdown
    91. onpointerenter
    92. onpointerleave
    93. onpointermove
    94. onpointerout
    95. onpointerover
    96. onpointerup
    97. onreset
    98. onresize
    99. onscroll
    100. onselect
    101. This is an experimental API that should not be used in production code. onselectionchange
    102. This is an experimental API that should not be used in production code. onselectstart
    103. onsubmit
    104. This is an experimental API that should not be used in production code. ontouchcancel
    105. This is an experimental API that should not be used in production code. ontouchstart
    106. ontransitioncancel
    107. ontransitionend
    108. onvisibilitychange
    109. onwheel
    110. This is an experimental API that should not be used in production code. origin
    111. pictureInPictureElement
    112. pictureInPictureEnabled
    113. plugins
    114. pointerLockElement
    115. This deprecated API should no longer be used, but will probably still work. popupNode
    116. preferredStyleSheetSet
    117. readyState
    118. referrer
    119. This deprecated API should no longer be used, but will probably still work. This is an obsolete API and is no longer guaranteed to work. rootElement
    120. scripts
    121. scrollingElement
    122. selectedStyleSheetSet
    123. styleSheets
    124. styleSheetSets
    125. This is an experimental API that should not be used in production code. timeline
    126. title
    127. This API has not been standardized. tooltipNode
    128. URL
    129. visibilityState
    130. This deprecated API should no longer be used, but will probably still work. vlinkColor
    131. This is an obsolete API and is no longer guaranteed to work. width
    132. This is an obsolete API and is no longer guaranteed to work. xmlEncoding
    133. This is an obsolete API and is no longer guaranteed to work. xmlVersion
  4. Métodos
    1. adoptNode()
    2. append()
    3. caretPositionFromPoint()
    4. This API has not been standardized. caretRangeFromPoint()
    5. This deprecated API should no longer be used, but will probably still work. clear()
    6. close()
    7. createAttribute()
    8. createCDATASection()
    9. createComment()
    10. createDocumentFragment()
    11. createElement()
    12. createElementNS()
    13. This is an obsolete API and is no longer guaranteed to work. createEntityReference()
    14. createEvent()
    15. createExpression()
    16. createExpression()
    17. createNodeIterator()
    18. createNSResolver()
    19. createNSResolver()
    20. createProcessingInstruction()
    21. createRange()
    22. createTextNode()
    23. This deprecated API should no longer be used, but will probably still work. createTouch()
    24. This deprecated API should no longer be used, but will probably still work. createTouchList()
    25. createTreeWalker()
    26. elementFromPoint()
    27. elementsFromPoint()
    28. enableStyleSheetsForSet()
    29. evaluate()
    30. evaluate()
    31. execCommand()
    32. exitFullscreen()
    33. exitPictureInPicture()
    34. This is an experimental API that should not be used in production code. exitPointerLock()
    35. getAnimations()
    36. This is an obsolete API and is no longer guaranteed to work. getBoxObjectFor()
    37. getElementById()
    38. getElementsByClassName()
    39. getElementsByName()
    40. getElementsByTagName()
    41. getElementsByTagNameNS()
    42. getSelection()
    43. hasFocus()
    44. hasStorageAccess()
    45. importNode()
    46. This API has not been standardized. mozSetImageElement()
    47. open()
    48. prepend()
    49. queryCommandEnabled()
    50. queryCommandSupported()
    51. querySelector()
    52. querySelector()
    53. querySelectorAll()
    54. querySelectorAll()
    55. This deprecated API should no longer be used, but will probably still work. registerElement()
    56. releaseCapture()
    57. replaceChildren()
    58. requestStorageAccess()
    59. write()
    60. writeln()
  5. Eventos
    1. animationcancel
    2. animationend
    3. animationiteration
    4. animationstart
    5. copy
    6. cut
    7. DOMContentLoaded
    8. drag
    9. dragend
    10. dragenter
    11. dragleave
    12. dragover
    13. dragstart
    14. drop
    15. fullscreenchange
    16. fullscreenerror
    17. gotpointercapture
    18. keydown
    19. This deprecated API should no longer be used, but will probably still work. keypress
    20. keyup
    21. lostpointercapture
    22. paste
    23. pointercancel
    24. pointerdown
    25. pointerenter
    26. pointerleave
    27. pointerlockchange
    28. pointerlockerror
    29. pointermove
    30. pointerout
    31. pointerover
    32. pointerup
    33. readystatechange
    34. scroll
    35. selectionchange
    36. selectstart
    37. touchcancel
    38. touchend
    39. touchmove
    40. touchstart
    41. transitioncancel
    42. transitionend
    43. transitionrun
    44. transitionstart
    45. visibilitychange
    46. wheel
  6. Herencia
    1. Node
    2. EventTarget
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