HTMLElement

Inherits properties from its parent, Element, and implements those from GlobalEventHandlers and TouchEventHandlers.

HTMLElement.accessKey (en-US)

Is a DOMString representing the access key assigned to the element.

HTMLElement.accessKeyLabel (en-US) Read only

Returns a DOMString containing the element's assigned access key.

HTMLElement.contentEditable (en-US)

Is a DOMString, where a value of "true" means the element is editable and a value of "false" means it isn't.

HTMLElement.isContentEditable (en-US) Read only

Returns a Boolean (en-US) that indicates whether or not the content of the element can be edited.

HTMLElement.contextMenu

Is a HTMLMenuElement (en-US) representing the contextual menu associated with the element. It may be null.

HTMLElement.dataset (en-US) Read only

Returns a DOMStringMap (en-US) with which script can read and write the element's custom data attributes (en-US) (data-*) .

HTMLElement.dir (en-US)

Is a DOMString, reflecting the dir global attribute, representing the directionality of the element. Possible values are "ltr", "rtl", and "auto".

HTMLElement.draggable

Is a Boolean indicating if the element can be dragged.

HTMLElement.dropzone Read only

Returns a DOMSettableTokenList reflecting the dropzone global attribute and describing the behavior of the element regarding a drop operation.

HTMLElement.hidden (en-US)

Is a Boolean indicating if the element is hidden or not.

HTMLElement.itemScope 實驗性質

Is a Boolean representing the item scope.

HTMLElement.itemType Read only 實驗性質

Returns a DOMSettableTokenList…

HTMLElement.itemId 實驗性質

Is a DOMString representing the item ID.

HTMLElement.itemRef Read only 實驗性質

Returns a DOMSettableTokenList…

HTMLElement.itemProp Read only 實驗性質

Returns a DOMSettableTokenList…

HTMLElement.itemValue 實驗性質

Returns a Object representing the item value.

HTMLElement.lang

Is a DOMString representing the language of an element's attributes, text, and element contents.

HTMLElement.offsetHeight (en-US) Read only 實驗性質

Returns a double containing the height of an element, relative to the layout.

HTMLElement.offsetLeft (en-US)Read only 實驗性質

Returns a double, the distance from this element's left border to its offsetParent's left border.

HTMLElement.offsetParent (en-US)Read only 實驗性質

Returns a Element that is the element from which all offset calculations are currently computed.

HTMLElement.offsetTop (en-US)Read only 實驗性質

Returns a double, the distance from this element's top border to its offsetParent's top border.

HTMLElement.offsetWidth (en-US)Read only 實驗性質

Returns a double containing the width of an element, relative to the layout.

HTMLElement.properties Read only 實驗性質

Returns a HTMLPropertiesCollection…

HTMLElement.spellcheck

Is a Boolean that controls spell-checking (en-US). It is present on all HTML elements, though it doesn't have an effect on all of them.

HTMLElement.style (en-US)

Is a CSSStyleDeclaration, an object representing the declarations of an element's style attributes.

HTMLElement.tabIndex (en-US)

Is a long representing the position of the element in the tabbing order.

HTMLElement.title (en-US)

Is a DOMString containing the text that appears in a popup box when mouse is over the element.

HTMLElement.translate 實驗性質

Is a Boolean representing the translation.

Most events properties, of the form onXYZ, are defined on the GlobalEventHandlers or TouchEventHandlers, implemented by HTMLElement. A few more are specific to HTMLElement.

HTMLElement.oncopy (en-US) 非標準

Returns the event handling code for the copy event (Firefox bug 280959).

HTMLElement.oncut (en-US) 非標準

Returns the event handling code for the cut event (Firefox bug 280959).

HTMLElement.onpaste (en-US) 非標準

Returns the event handling code for the paste event (Firefox bug 280959).

TouchEventHandlers.ontouchstart 非標準

Returns the event handling code for the touchstart (en-US) event.

TouchEventHandlers.ontouchend 非標準

Returns the event handling code for the touchend (en-US) event.

TouchEventHandlers.ontouchmove 非標準

Returns the event handling code for the touchmove (en-US) event.

TouchEventHandlers.ontouchcancel 非標準

Returns the event handling code for the touchcancel event.

Inherits methods from its parent, Element.

HTMLElement.blur() (en-US)

Removes keyboard focus from the currently focused element.

HTMLElement.click()

Sends a mouse click event to the element.

HTMLElement.focus() (en-US)

Makes the element the current keyboard focus.

HTMLElement.forceSpellCheck() (en-US) 實驗性質

Runs the spell checker on the element's contents.

• Element