### Author:  [@severo](https://talk.observablehq.com/u/severo)
#### Post date: [February 5, 2021, 4:46pm UTC](https://talk.observablehq.com/t/toggle-input/4580/1 "2021-02-05T16:46:19Z")
New [Observable Inputs](https://observablehq.com/@observablehq/inputs) are great. I wonder what is _the best_ way to use them to create a simple toggle input that returns a boolean. Having to test if the Array returned by Checkbox is empty is not really natural. Is it _natively_ supported by Observable Inputs?
https://observablehq.com/embed/@severo/toggle-control?cell=*
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### Author:  [@mootari](https://talk.observablehq.com/u/mootari)
#### Post date: [February 5, 2021, 5:20pm UTC](https://talk.observablehq.com/t/toggle-input/4580/2 "2021-02-05T17:20:10Z")
For cases like these I simply proxy the value property, e.g.:
```javascript
function changeValue(element, fn) {
return Object.defineProperty(html`${element}`, 'value', {get: () => fn(element.value)});
}
```
```auto
viewof ok2 = changeValue(Checkbox(["toggle me"]), v => !!v.length)
```
This works for any events that are set to bubble.
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### Author:  [@severo](https://talk.observablehq.com/u/severo)
#### Post date: [February 5, 2021, 5:33pm UTC](https://talk.observablehq.com/t/toggle-input/4580/3 "2021-02-05T17:33:37Z")
Interesting generic proxy (that might be adapted to also proxy the setter).
But this toggle input is so common that I miss the @jashkenas checkbox input that returned false instead of an empty array when no checkbox were selected. There were no need to wrap the input with an extra logic.
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### Author:  [@mootari](https://talk.observablehq.com/u/mootari)
#### Post date: [February 5, 2021, 5:48pm UTC](https://talk.observablehq.com/t/toggle-input/4580/4 "2021-02-05T17:48:55Z")
Sorry, to answer your original question: No, not as far as I’m aware. Mike mentioned that he’s not fundamentally against adding a toggle, but it’s very low priority.
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### Author:  [@severo](https://talk.observablehq.com/u/severo)
#### Post date: [February 5, 2021, 10:08pm UTC](https://talk.observablehq.com/t/toggle-input/4580/5 "2021-02-05T22:08:34Z")
OK, good to know. Do you think that having this kind of small inputs gathered in a common “community inputs” notebook would be useful?
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### Author:  [@Cobus](https://talk.observablehq.com/u/Cobus)
#### Post date: [February 5, 2021, 10:20pm UTC](https://talk.observablehq.com/t/toggle-input/4580/6 "2021-02-05T22:20:33Z")
Interesting idea! I can see many of these popping up, and it would be good to highlight and assemble them. Perhaps in a collection… let me chat to the team about that.
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### Author:  [@mbostock](https://talk.observablehq.com/u/mbostock)
#### Post date: [February 5, 2021, 11:00pm UTC](https://talk.observablehq.com/t/toggle-input/4580/7 "2021-02-05T23:00:42Z")
Here’s a PR if you’d like to review:
>
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### Author:  [@mbostock](https://talk.observablehq.com/u/mbostock)
#### Post date: [February 6, 2021, 6:16am UTC](https://talk.observablehq.com/t/toggle-input/4580/8 "2021-02-06T06:16:56Z")
Toggle has landed:
> **[Observable Input: Toggle](https://observablehq.com/@observablehq/input-toggle)**
>
> Observable Inputs › Toggle Toggle A Toggle allows the user to choose one of two values, representing on or off. A Toggle is a specialized form of Checkbox. The initial value of a Toggle defaults to false. You can override this by specifying the value...
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### Author:  [@severo](https://talk.observablehq.com/u/severo)
#### Post date: [February 6, 2021, 9:19am UTC](https://talk.observablehq.com/t/toggle-input/4580/9 "2021-02-06T09:19:24Z")
Perfect, thanks!
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### Author:  [@severo](https://talk.observablehq.com/u/severo)
#### Post date: [February 6, 2021, 9:21am UTC](https://talk.observablehq.com/t/toggle-input/4580/10 "2021-02-06T09:21:26Z")
I realize it had been discussed for days here: [Simple checkbox · Issue #35 · observablehq/inputs · GitHub](https://github.com/observablehq/inputs/issues/35)