javascript - Whats the right way to encode an umlaut in a dataURI -


i have small script let user save csv file using datauri. unfortunately there problems german umlauts, käufe become käufe. href datauri created this: 

'data:application/csv;charset=utf-8,' + encodeuricomponent(csvstring)

it's not problem of encoding in url, of whoever interpreting data later not understanding it's encoded in utf-8 , interpreting in latin-1 instead. there no "right way" encode non-ascii characters in url. urls can consist of subset of ascii characters, period. else there's percent encoding method encode arbitrary bytes %xx format. encoding bytes represent entirely , entirely recipient interpret in correct encoding.


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