ProgressEvent.lengthComputable
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
ProgressEvent.lengthComputable
只读属性是一个布尔Boolean
标志,表示ProgressEvent
所关联的资源是否具有可以计算的长度。否则,ProgressEvent.total
属性将是一个无意义的值。
语法
flag = ProgressEvent.lengthComputable
规范
Specification |
---|
XMLHttpRequest Standard # dom-progressevent-lengthcomputable |
浏览器兼容性
BCD tables only load in the browser
See also
- The
ProgressEvent
interface it belongs to.