The ProgressEvent.total read-only property is an integer representing the total amount of work that the underlying process is in the progress of performing. When downloading a resource using HTTP, this only represent the content itself, not headers and other overhead.
value = ProgressEvent.total
| Specification | Status | Comment |
|---|---|---|
| XMLHttpRequest The definition of 'ProgressEvent.lengthComputable' in that specification. | Living Standard |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|---|
| Basic support | No support | (Yes) | 3.5 (1.9.1) | No support | No support | No support |
| Feature | Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Basic support | No support | (Yes) | 1.0 (1.9.1) | No support | No support | No support |
ProgressEvent interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/ProgressEvent/total