This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Element.currentStyle is a property which is a proprietary alternative to the standardized
window.getComputedStyle method. It is available in old versions of Microsoft Internet Explorer.
Not part of any specification.
Microsoft has a description on MSDN.
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Microsoft Edge||Opera||Safari (WebKit)|
|Basic support||No support||No support||6||No support||No support||No support|
|Feature||Android||Firefox Mobile (Gecko)||IE Phone||Opera Mobile||Safari Mobile|
|Basic support||No support||No support||?||?||No support|