HTMLProgressElement - Web API 接口参考 编辑

The HTMLProgressElement interface provides special properties and methods (beyond the regular HTMLElement interface it also has available to it by inheritance) for manipulating the layout and presentation of <progress> elements.

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Properties

Inherits properties from its parent, HTMLElement.

HTMLProgressElement.max

Is a double value reflecting the content attribute of the same name, limited to numbers greater than zero. Its default value is 1.0.

HTMLProgressElement.position只读

Returns a double value returning the result of dividing the current value (value) by the maximum value (max); if the progress bar is an indeterminate progress bar, it returns -1.

HTMLProgressElement.value

Is a double value that reflects the current value; if the progress bar is an indeterminate progress bar, it returns 0.

HTMLProgressElement.labels只读

Returns NodeList containing the list of <label> elements that are labels for this element.

Methods

No specific method; inherits properties from its parent, HTMLElement.

Specifications

Specification	Status	Comment
HTML Living Standard HTMLProgressElement	Living Standard	No change from HTML5.
HTML 5.1 HTMLProgressElement	Recommendation
HTML5 HTMLProgressElement	Recommendation	Initial definition.

Browser compatibility

We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!

• Desktop
• Mobile

Feature	Chrome	Edge	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)
labels	(Yes)	未实现	56 (56)[1]	未实现	(Yes)	(Yes)

Feature	Android	Edge	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)	(Yes)
labels	?	未实现	56.0 (56)[1]	未实现	?	?

[1] Implemented in bug 556743.

See also

• The HTML element implementing this interface: <progress>