# Convert Text to hex

**URL:** <https://discourse.nodered.org/t/convert-text-to-hex/38214>\
**Category:** General\
**Created:** [29 December 2020 15:17 UTC](https://discourse.nodered.org/t/convert-text-to-hex/38214 "2020-12-29T15:17:48Z")\
**Posts on this page:** 6\
**Page:** 1

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**Author:** ![Mattia.88](https://avatars.discourse-cdn.com/v4/letter/m/898d66/32.png) [@Mattia.88](https://discourse.nodered.org/u/Mattia.88)\
**Post date:** [29 December 2020 15:17 UTC](https://discourse.nodered.org/t/convert-text-to-hex/38214/1 "2020-12-29T15:17:48Z")

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Hi,  
I must convert a text to hex. I wrote this:

var art = 'A';

var arr = ;

arr[0] =art.toString(16);

but the result is always "A".

Is correct this sintax?

thanks

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<div class="post-metadata">

**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [29 December 2020 15:57 UTC](https://discourse.nodered.org/t/convert-text-to-hex/38214/2 "2020-12-29T15:57:28Z")

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What do you want array[0] to be set to?

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<div class="post-metadata">

**Author:** ![Mattia.88](https://avatars.discourse-cdn.com/v4/letter/m/898d66/32.png) [@Mattia.88](https://discourse.nodered.org/u/Mattia.88)\
**Post date:** [29 December 2020 15:59 UTC](https://discourse.nodered.org/t/convert-text-to-hex/38214/3 "2020-12-29T15:59:15Z")

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the value 41.

"A" convert to hex = 41

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<div class="post-metadata">

**Author:** ![Colin](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/colin/32/17040_2.png) [@Colin](https://discourse.nodered.org/u/Colin)\
**Post date:** [29 December 2020 16:05 UTC](https://discourse.nodered.org/t/convert-text-to-hex/38214/4 "2020-12-29T16:05:52Z")

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You want the character code for the character then.

```auto
var art = 'A'
msg.payload = art.charCodeAt(0)
return msg;

```

That gives you the numeric character code.

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<div class="post-metadata">

**Author:** ![Mattia.88](https://avatars.discourse-cdn.com/v4/letter/m/898d66/32.png) [@Mattia.88](https://discourse.nodered.org/u/Mattia.88)\
**Post date:** [29 December 2020 17:06 UTC](https://discourse.nodered.org/t/convert-text-to-hex/38214/5 "2020-12-29T17:06:15Z")

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ok thanks

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [27 February 2021 17:06 UTC](https://discourse.nodered.org/t/convert-text-to-hex/38214/6 "2021-02-27T17:06:16Z")

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