javascript - How to decode character entity references -

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i know unescape can convert %u6f22%u5b57 漢字:

unescape("%u6f22%u5b57");

but how can convert 漢字 漢字？

if can provide hints, i'll happy.

regular expressions rescue!

var input = "漢字"; return unescape(input.replace(/&#x(\w{4});/g, '%u$1'));

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