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Asked: 2026-06-12T19:26:32+00:00

I’m not sure what this is called so I’m having trouble searching for it.

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I’m not sure what this is called so I’m having trouble searching for it. How can I decode a string with unicode from http\u00253A\u00252F\u00252Fexample.com to http://example.com with JavaScript? I tried unescape, decodeURI, and decodeURIComponent so I guess the only thing left is string replace.

EDIT: The string is not typed, but rather a substring from another piece of code. So to solve the problem you have to start with something like this:

var s = 'http\\u00253A\\u00252F\\u00252Fexample.com';

I hope that shows why unescape() doesn’t work.

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1 Answer

  1. Editorial Team

    Edit (2017-10-12):

    @MechaLynx and @Kevin-Weber note that unescape() is deprecated from non-browser environments and does not exist in TypeScript. decodeURIComponent is a drop-in replacement. For broader compatibility, use the below instead:

    decodeURIComponent(JSON.parse('"http\\u00253A\\u00252F\\u00252Fexample.com"'));
> 'http://example.com'

    Original answer:

    unescape(JSON.parse('"http\\u00253A\\u00252F\\u00252Fexample.com"'));
> 'http://example.com'

    You can offload all the work to JSON.parse

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