Indeterminate progress: this will be read by legacy browsers

value=0 progress: this will be read by legacy browsers

value=0.5 progress: this will be read by legacy browsers

value=1 progress: this will be read by legacy browsers

value=1 but with the attribute set to a higher value: this will be read by legacy browsers

progress with another value than the default one for max and 50% progression: this will be read by legacy browsers