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Groups > comp.lang.javascript > #29403
| From | Stefan Weiss <krewecherl@gmail.com> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: How do I convert the following to Uint8Array. |
| Date | 2016-01-22 13:25 +0100 |
| Organization | albasani.net |
| Message-ID | <n7t74i$obt$1@news.albasani.net> (permalink) |
| References | <ce4bb039-aa19-4cbe-bb9b-8b8f004f8992@googlegroups.com> |
On 01/22/2016 12:52, Robby Balona wrote:
> I have a string "ab05d705" and I am trying to convert it to the
> following so I can add it to a Uint8Array. So how do I convert the
> string "ab05d705" to
> 0xab,0x05,0xd7,0x05 to put into the following
> var data = new Uint8Array([0xab,0x05,0xd7,0x05]);
As a one-liner:
str.match(/.{2}/g).map(function (hex) { return parseInt(hex, 16); })
This assumes that the original string is valid as described.
If the performance of this conversion is important, there are other ways
(using one parseInt() and some bit shifting fun).
- stefan
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How do I convert the following to Uint8Array. Robby Balona <robby@grab.co.za> - 2016-01-22 03:52 -0800
Re: How do I convert the following to Uint8Array. Stefan Weiss <krewecherl@gmail.com> - 2016-01-22 13:25 +0100
Re: How do I convert the following to Uint8Array. Stefan Weiss <krewecherl@gmail.com> - 2016-01-22 13:32 +0100
Re: How do I convert the following to Uint8Array. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-01-22 12:54 +0000
Re: How do I convert the following to Uint8Array. Stefan Weiss <krewecherl@gmail.com> - 2016-01-22 14:22 +0100
Re: How do I convert the following to Uint8Array. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-01-22 12:41 +0000
Re: How do I convert the following to Uint8Array. Robby Balona <robby@grab.co.za> - 2016-01-23 00:51 -0800
Re: How do I convert the following to Uint8Array. Stefan Weiss <krewecherl@gmail.com> - 2016-01-23 12:15 +0100
Re: How do I convert the following to Uint8Array. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-01-23 11:17 +0000
Re: How do I convert the following to Uint8Array. Robby Balona <robby@grab.co.za> - 2016-01-24 09:44 -0800
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