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当一个资源加载进度停止时 (例如,在已经分派“错误”,“中止”或“加载”之后),触发loadend事件。这适用于例如 XMLHttpRequest调用, 以及<img><video>元素的内容。

General info

Specification
Progress
Interface
ProgressEvent
Bubbles
No
Cancelable
No
Target
HTMLImageElement, for example
Default Action
None

Properties

Property Type Description
target 只读 EventTarget The event target (the topmost target in the DOM tree).
type 只读 DOMString The type of event.
bubbles 只读 Boolean Whether the event normally bubbles or not
cancelable 只读 Boolean Whether the event is cancellable or not?
lengthComputable boolean Specifies whether or not the total size of the transfer is known. Read only.
loaded unsigned long (long) The number of bytes transferred since the beginning of the operation. This doesn't include headers and other overhead, but only the content itself. Read only.
total unsigned long (long) The total number of bytes of content that will be transferred during the operation. If the total size is unknown, this value is zero. Read only.

See also

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