@fooloomanzoo/number-input

input for numeric values

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@fooloomanzoo/number-input
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Readme

Published on NPM Published on webcomponents.org

API & Demo

<number-input>

An input for numeric values.

Motivation

The normal input with type="number" is fairly good to use, but it has some flaws, because it should if wanted e.g.:

  • prevent non numeric input
  • guarantee live-data to be valid
  • use the local decimal separator
  • pad a value with 0 (to a specific length)
  • size the input (according to it's length)
  • overflow to minimum or underflow to maximum
  • saturate to minimum or to maximum
  • display a specified unit
  • display a specified currencies
  • can use percentage values and do have automatically the correct decimal value

This element wants to achieve that, by using the Intl.NumberFormat API. A more simpler element <integer-input> just uses integer values and doesn't use units or percent values.

img

Example

<span>using units: </span><number-input min="-150" step="0.15" max="300" pad-length="3" default="15" unit="°C"></number-input><br>
<span>in percent: </span><number-input min="-1" step="0.15" max="3" start-at="1" default="1" number-style="percent"></number-input><br>
<span>using currencies: </span><number-input min="0" step="0.01" always-sign start-at="1000" default="1000" use-grouping number-style="currency" currency="EUR"></number-input><br>
<span>as integer: </span><integer-input min="-150" step="15" max="300" default="15"></integer-input>

Styling

Have a look at input-picker-pattern#input-shared-style to see how to style the element.

Installation

npm i @fooloomanzoo/number-input

License

MIT

If you find any bugs or have a feature request, please open an issue on github!

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