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<!DOCTYPE html>
<!--suppress HtmlFormInputWithoutLabel -->
<html lang="en">
<head>
<meta charset="UTF-8">
<title>bootstrap-input-spinner</title>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" integrity="sha384-T3c6CoIi6uLrA9TneNEoa7RxnatzjcDSCmG1MXxSR1GAsXEV/Dwwykc2MPK8M2HN" crossorigin="anonymous">
<link rel="stylesheet" href="./node_modules/prismjs/themes/prism-tomorrow.css"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<style>
h2 {
margin-top: 3rem;
margin-bottom: 1rem;
border-bottom: 1px solid rgba(0, 0, 0, 0.5);
}
h3, h4 {
margin-top: 2rem;
}
.input-group, input.test-value-input {
max-width: 250px;
}
</style>
<!-- TODO remove jQuery -->
<script src="https://code.jquery.com/jquery-3.6.0.min.js"
integrity="sha256-/xUj+3OJU5yExlq6GSYGSHk7tPXikynS7ogEvDej/m4=" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-C6RzsynM9kWDrMNeT87bh95OGNyZPhcTNXj1NW7RuBCsyN/o0jlpcV8Qyq46cDfL" crossorigin="anonymous"></script>
<script src="src/custom-editors.js"></script>
<script src="./node_modules/prismjs/prism.js"></script>
</head>
<body>
<section class="container py-5">
<h1>bootstrap-input-spinner</h1>
<p>
A Bootstrap / jQuery plugin to create input spinner elements for number input, by
<a href="https://shaack.com/en">shaack.com</a> engineering. For now it needs jQuery, but I am working on it.
</p>
<p>This version is compatible with Bootstrap 5, but we remain a Bootstrap 4 compatible version with the branch
<a href="https://github.com/shaack/bootstrap-input-spinner/tree/bootstrap4-compatible">bootstrap4-compatible</a>.
npm versions 3.x are Bootstrap 5 compatible, versions 2.x Bootstrap 4 compatible.</p>
<p>
License: <a href="https://github.com/shaack/bootstrap-input-spinner/blob/master/LICENSE">MIT</a>
</p>
<h2>Features</h2>
<p>The Bootstrap InputSpinner</p>
<ul>
<li>
is <b>mobile friendly</b> and <b>responsive</b>,
</li>
<li>
has <b>internationalized</b> number formatting,
</li>
<li>
automatically changes the value when <b>holding a button</b>,
</li>
<li>
allows setting a <b>prefix</b> or <b>suffix</b> text in the input,
</li>
<li>
handles <code>val()</code> like the native element,
</li>
<li>
<b>dynamically handles</b> changing <b>attribute values</b> like <code>disabled</code> oder
<code>class</code>,
</li>
<li>
dispatches <code>change</code> and <code>input</code> <b>events on value
change</b> like the native element,
</li>
<li>
<b>needs no extra css</b>, just Bootstrap 5.
</li>
</ul>
<h2>Usage</h2>
<p>
This script enables the InputSpinner for all inputs with <code>type='number'</code>.
<b>No extra css needed</b>, just Bootstrap 5.
</p>
<pre><code class="language-html"><script src="./src/InputSpinner.js"></script>
<script>
$("input[type='number']").inputSpinner()
</script></code></pre>
<h2>Repository, documentation and npm package</h2>
<p>Find the source code, more documentation and the npm package at</p>
<ul>
<li><a href="https://github.com/shaack/bootstrap-input-spinner">GitHub repository and documentation</a></li>
<li><a href="https://www.npmjs.com/package/bootstrap-input-spinner">npm package</a></li>
</ul>
<h2>Examples</h2>
<p>The following contains examples of the InputSpinner's main features</p>
<h3>No attributes</h3>
<p>
<input type="number"/>
</p>
<pre><code class="language-html"><input type="number"/></code></pre>
<h3>Simple Integer</h3>
<p>
<input type="number" value="500" min="0" max="1000" step="10"/>
</p>
<pre><code
class="language-html"><input type="number" value="500" min="0" max="1000" step="10"/></code></pre>
<h3>Floating Point</h3>
<p>
<input type="number" value="4.5" data-decimals="2" min="0" max="9" step="0.1"/>
</p>
<pre><code
class="language-html"><input type="number" value="4.5" data-decimals="2" min="0" max="9" step="0.1"/></code></pre>
<h3>Handle <code>change</code> and <code>input</code> events and
read the value from JavaScript
with <code>val()</code></h3>
<p>
Type in a number to see the difference between <code>change</code> and <code>input</code> events.
</p>
<p>
<input type="number" id="changedInput" value="2500" min="0" max="5000000" data-decimals="2"/>
</p>
<p>
Value on input: <span id="valueOnInput"></span><br/>
Value on change: <span id="valueOnChange"></span>
</p>
<script>
var $changedInput = $("#changedInput")
var $valueOnInput = $("#valueOnInput")
var $valueOnChange = $("#valueOnChange")
$changedInput.on("input", function (event) {
console.log("on input", event)
$valueOnInput.html($(event.target).val())
// or $valueOnInput.html(event.target.value) // in vanilla js
// or $valueOnInput.html($changedInput.val())
})
$changedInput.on("change", function (event) {
console.log("on change", event)
$valueOnChange.html($(event.target).val())
})
</script>
<pre><code class="language-javascript">var $changedInput = $("#changedInput")
var $valueOnInput = $("#valueOnInput")
var $valueOnChange = $("#valueOnChange")
$changedInput.on("input", function (event) {
$valueOnInput.html($(event.target).val())
// or $valueOnInput.html(event.target.value) // in vanilla js
// or $valueOnInput.html($changedInput.val())
})
$changedInput.on("change", function (event) {
$valueOnChange.html($(event.target).val())
})</code></pre>
<h3>Programmatic changing the value with <code>val()</code></h3>
<p>
<label for="inputNet">Net</label>
<input type="number" id="inputNet" value="100" min="0" max="10000" step="0.01" data-decimals="2"/>
</p>
<p>
<label for="inputGross">Gross (+19%)</label>
<input type="number" id="inputGross" value="100" min="0" max="11900" step="0.01" data-decimals="2"/>
</p>
<script>
var $inputNet = $("#inputNet")
var $inputGross = $("#inputGross")
$inputNet.on("input", function (event) {
$inputGross.val($(event.target).val() * 1.19)
})
$inputGross.on("input", function (event) {
$inputNet.val($(event.target).val() / 1.19)
})
$inputGross.val($inputNet.val() * 1.19)
</script>
<pre><code class="language-javascript">$inputNet.on("input", function (event) {
$inputGross.val($(event.target).val() * 1.19)
// or $inputGross[0].setValue(event.target.value * 1.19) // in vanilla js
// or $inputGross.val($inputNet.val() * 1.19)
// do all the same
})
$inputGross.on("input", function (event) {
$inputNet.val($(event.target).val() / 1.19)
})</code></pre>
<h3>Attributes <code>placeholder</code> and <code>required</code></h3>
<form>
<p>
<input placeholder="Enter a number" required type="number" value="" min="-100" max="100"/>
</p>
<pre><code
class="language-html"><input <strong>placeholder</strong>="Enter a number" <strong>required</strong> type="number" value="" min="-100" max="100"/></code></pre>
<input type="submit" id="submitButton" class="btn btn-primary mb-4" value="Submit to test empty input"/>
</form>
<h3>Attribute <code>disabled</code>, dynamically changing</h3>
<p>Attributes are handled dynamically.</p>
<form>
<p>
<input id="inputDisabled" disabled type="number" value="50"/>
</p>
<div class="form-check">
<input type="checkbox" checked class="form-check-input" id="disabledSwitch">
<label class="form-check-label" for="disabledSwitch">Disabled</label>
</div>
<script>
var $inputDisabled = $("#inputDisabled")
var $disabledSwitch = $("#disabledSwitch")
$disabledSwitch.on("change", function () {
$inputDisabled.prop("disabled", $(this).prop("checked"))
})
</script>
<pre><code class="language-html"><input id="inputDisabled" disabled type="number" value="50"/>
<div class="form-check">
<input type="checkbox" checked class="form-check-input" id="disabledSwitch"/>
<label class="form-check-label" for="disabledSwitch">Disabled</label>
</div>
<script>
var $inputDisabled = $("#inputDisabled")
var $disabledSwitch = $("#disabledSwitch")
$disabledSwitch.on("change", function () {
$inputDisabled.prop("disabled", $(this).prop("checked"))
})
</script></code></pre>
</form>
<h3><code>buttonsOnly</code> mode and disabled <code>autoInterval</code></h3>
<p>
In <code>buttonsOnly</code> mode no direct text input is allowed, the text-input
gets the attribute <code>readonly</code>. But the plus and minus buttons still allow to change the value.
<br/><code>autoInterval: undefined</code> additionally disables the auto increase/decrease, when you hold the
button.
</p>
<p>
<input id="buttons-only" value="5" min="1" max="10"/>
</p>
<script type="module">
import {InputSpinner} from "./src/InputSpinner.js"
const element = document.getElementById("buttons-only")
new InputSpinner(element,
{buttonsOnly: true, autoInterval: undefined})
</script>
<pre><code class="language-js">$(".buttons-only").inputSpinner({buttonsOnly: true, autoInterval: undefined})</code></pre>
<h3>Dynamically handling of the <code>class</code> attribute</h3>
<p>
<input id="inputChangeClass" class="is-valid" type="number" value="50"/>
</p>
<p>
<label for="classInput">CSS Class</label>
<input id="classInput" type="text" class="form-control test-value-input" value="is-valid"/>
Try to change the class to "is-invalid" or "text-info".
</p>
<script>
var $inputChangeClass = $("#inputChangeClass")
var $classInput = $("#classInput")
$classInput.on("input", function () {
$inputChangeClass.prop("class", this.value)
})
</script>
<pre><code class="language-html"><input id="inputChangeClass" class="is-valid" type="number" value="50"/>
<label for="classInput">CSS Class</label>
<input id="classInput" type="text" class="form-control" value="is-valid"/>
<script>
var $inputChangeClass = $("#inputChangeClass")
var $classInput = $("#classInput")
$classInput.on("input", function() {
$inputChangeClass.prop("class", this.value);
})
</script></code></pre>
<h3>Sizing</h3>
<p>Sizing works out of the box. Just set the original inputs class to <code>form-control-sm</code> or
<code>form-control-lg</code>, and
the resulting group gets the class <code>input-group-sm</code> or <code>input-group-lg</code>.</p>
<p>
<label for="inputSmall">Small</label>
<input id="inputSmall" class="form-control-sm" type="number" value="0.0" data-decimals="4" min="-1" max="1"
step="0.0001"/>
</p>
<pre><code class="language-html"><input class="form-control-sm" type="number" value="0.0" data-decimals="4" min="-1" max="1" step="0.0001"/></code></pre>
<p>
<label for="inputLarge">Large</label>
<input id="inputLarge" class="form-control-lg" type="number" value="1000000" data-decimals="0" min="0"
max="2000000" step="1"/>
</p>
<pre><code class="language-html"><input class="form-control-lg" type="number" value="1000000" data-decimals="0" min="0" max="2000000" step="1"/></code></pre>
<h3>Dynamically handling of <code>min</code>, <code>max</code>,
<code>step</code> and <code>data-decimals</code></h3>
<div class="row">
<div class="col-lg-3">
<p>
<label for="minInput">min</label>
<input id="minInput" type="text" class="form-control test-value-input" value="0"/>
</p>
</div>
<div class="col-lg-3">
<p>
<label for="maxInput">max</label>
<input id="maxInput" type="text" class="form-control test-value-input" value="100"/>
</p>
</div>
<div class="col-lg-3">
<p>
<label for="stepInput">step</label>
<input id="stepInput" type="text" class="form-control test-value-input" value="0.05"/>
</p>
</div>
<div class="col-lg-3">
<p>
<label for="dataDecimalsInput">data-decimals</label>
<input id="dataDecimalsInput" type="text" class="form-control test-value-input" value="2"/>
</p>
</div>
</div>
<p>
<label for="minMaxTester">Try here</label>
<input id="minMaxTester" type="number" value="50" min="0" max="100" step="0.05" data-decimals="2"/>
</p>
<script>
var $minInput = $("#minInput")
var $maxInput = $("#maxInput")
var $stepInput = $("#stepInput")
var $dataDecimalsInput = $("#dataDecimalsInput")
var $minMaxTester = $("#minMaxTester")
$minInput.on("change", function (event) {
console.log("on change", event)
$minMaxTester.attr("min", $minInput.val())
})
$maxInput.on("change", function (event) {
console.log("on change", event)
$minMaxTester.attr("max", $maxInput.val())
})
$stepInput.on("change", function (event) {
console.log("on change", event)
$minMaxTester.attr("step", $stepInput.val())
})
$dataDecimalsInput.on("change", function (event) {
console.log("on change", event)
$minMaxTester.attr("data-decimals", $dataDecimalsInput.val())
})
</script>
<pre><code class="language-javascript">var $minInput = $("#minInput")
var $maxInput = $("#maxInput")
var $stepInput = $("#stepInput")
var $dataDecimalsInput = $("#dataDecimalsInput")
var $minMaxTester = $("#minMaxTester")
$minInput.on("change", function (event) {
$minMaxTester.attr("min", $minInput.val())
})
$maxInput.on("change", function (event) {
$minMaxTester.attr("max", $maxInput.val())
})
$stepInput.on("change", function (event) {
$minMaxTester.attr("step", $stepInput.val())
})
$dataDecimalsInput.on("change", function (event) {
$minMaxTester.attr("data-decimals", $dataDecimalsInput.val())
})
</code></pre>
<h3>Prefix and Suffix</h3>
<p>
<label for="inputPrefix">Prefix</label>
<input id="inputPrefix" data-prefix="$" value="100.0" data-decimals="2" min="0" max="1000" step="0.1"
type="number"/>
</p>
<pre><code class="language-html"><input data-prefix="$" value="100.0" data-decimals="2" min="0" max="1000" step="0.1" type="number" /></code></pre>
<p>
<label for="inputSuffix">Suffix</label>
<input id="inputSuffix" data-suffix="°C" value="50" min="0" max="100" type="number"/>
</p>
<pre><code
class="language-html"><input data-suffix="°C" value="50" min="0" max="100" type="number" /></code></pre>
<h3>Looping the value</h3>
<p>This input starts from 0 when reaching 360.</p>
<p>
<input type="number" id="inputLoop" value="0" data-decimals="0" min="-10" max="360" step="10"/>
</p>
<script>
var $inputLoop = $("#inputLoop")
$inputLoop.on("input", function (ignored) {
var value = $inputLoop.val()
value = (value < 0) ? 360 + parseInt(value, 10) : value % 360
$inputLoop.val(value)
})
</script>
<pre><code class="language-html"><input step="10" type="number" id="inputLoop" value="0" data-decimals="0" min="-10" max="360"/></code></pre>
<p>"Loop" the value between 0 and 360 with the <code>change</code> event in JavaScript.</p>
<pre><code class="language-javascript">var $inputLoop = $("#inputLoop")
$inputLoop.on("input", function(event) {
var value = $inputLoop.val()
value = (value < 0) ? 360 + parseInt(value, 10) : value % 360
$inputLoop.val(value)
})</code></pre>
<h3>Custom Editors</h3>
<p>An Editor defines, how the input is parsed and rendered. The inputSpinner is shipped with some custom Editors in
<code>/src/custom-editors.js</code>.</p>
<h4>RawEditor</h4>
<p>The simplest custom Editor is the <code>RawEditor</code>, it renders just the value und parses just the value,
without any
changes, like a native number input. No internationalization, no digit grouping.</p>
<p>
<input id="rawEditor" value="1000"/>
</p>
<script type="module">
import {InputSpinner} from "./src/InputSpinner.js"
new InputSpinner(document.getElementById("rawEditor"),
{editor: customEditors.RawEditor})
</script>
<pre><code
class="language-js">$("#rawEditor").inputSpinner({editor: customEditors.RawEditor})</code></pre>
<h4>TimeEditor</h4>
<p>The <code>TimeEditor</code> renders the number as time in hours and minutes, separated by a colon.</p>
<input id="timeEditor" value="60" step="5"/>
<div class="mt-1">value: <span id="timeValue"></span></div>
<script type="module">
import {InputSpinner} from "./src/InputSpinner.js"
const element = document.getElementById("timeEditor")
new InputSpinner(element, {editor: customEditors.TimeEditor})
element.addEventListener("input", () => {
document.getElementById("timeValue").textContent = element.value
})
document.getElementById("timeValue").textContent = element.value
</script>
<pre><code
class="language-js">$("#rawEditor").inputSpinner({editor: customEditors.TimeEditor})</code></pre>
<h3>Styling with templates (<i>new!</i>)</h3>
<p>With the new templating feature, you can almost do <b>anything, when it comes to layout</b>.</p>
<h5>How about... buttons right</h5>
<p>
<input data-prefix="¥" id="templateButtonsRight" value="1000"/>
</p>
<p>
This is the template for "buttons right":
</p>
<script type="module">
import {InputSpinner} from "./src/InputSpinner.js"
const element = document.getElementById("templateButtonsRight")
new InputSpinner(element, {
template:
'<div class="input-group ${groupClass}">' +
'<input type="text" inputmode="decimal" style="text-align: ${textAlign}" class="form-control"/>' +
'<button style="min-width: ${buttonsWidth}" class="btn btn-decrement ${buttonsClass}" type="button">${decrementButton}</button>' +
'<button style="min-width: ${buttonsWidth}" class="btn btn-increment ${buttonsClass}" type="button">${incrementButton}</button>' +
'</div>'
})
</script>
<pre><code class="language-html"><div class="input-group ${groupClass}">
<input type="text" inputmode="decimal" style="text-align: ${textAlign}" class="form-control"/>
<button style="min-width: ${buttonsWidth}" class="btn btn-decrement ${buttonsClass}" type="button">${decrementButton}</button>
<button style="min-width: ${buttonsWidth}" class="btn btn-increment ${buttonsClass}" type="button">${incrementButton}</button>
</div></code></pre>
<p>You can... or must use the following variables in your template:</p>
<ul>
<li>${groupClass}</li>
<li>${textAlign}</li>
<li>${buttonsWidth}</li>
<li>${buttonsClass}</li>
<li>${decrementButton}</li>
<li>${incrementButton}</li>
</ul>
<p>Provide the template as configuration parameter:</p>
<pre><code class="language-js">$(element).inputSpinner({template: '<div class...'})</code></pre>
<h3>Destroying the spinner</h3>
<p>To Remove the InputSpinner and show the original input element, use</p>
<pre><code class="language-javascript">$(element).inputSpinner("destroy")</code></pre>
<div class="mb-3">
<label for="inputDestroyCreate">Label `for` switches dynamically:</label>
<input type="number" id="inputDestroyCreate" value="50"/>
</div>
<button id="buttonDestroy" class="btn btn-primary">destroy</button>
<button id="buttonCreate" disabled="disabled" class="btn btn-primary">re-create</button>
<script type="module">
import {InputSpinner} from "./src/InputSpinner.js"
var $buttonDestroy = $("#buttonDestroy")
var $buttonCreate = $("#buttonCreate")
var $inputDestroyCreate = $("#inputDestroyCreate")
$buttonDestroy.click(function () {
$inputDestroyCreate[0].destroyInputSpinner()
$buttonDestroy.attr("disabled", true)
$buttonCreate.attr("disabled", false)
})
$buttonCreate.click(function () {
new InputSpinner($inputDestroyCreate[0])
$buttonDestroy.attr("disabled", false)
$buttonCreate.attr("disabled", true)
})
</script>
<div class="card my-5 border-info">
<a href="https://shaack.com/works">
<div class="card-body">
<h4 class="mb-2 mt-0">More Bootstrap components (from shaack.com)</h4>
You may want to check out our further Bootstrap extensions,
<b>bootstrap-show-modal</b> and
<b>bootstrap-detect-breakpoint</b>.
</div>
</a>
</div>
<p>If you find bugs or have suggestions, you may write an
<a href="https://github.com/shaack/bootstrap-input-spinner/issues">issue</a>.</p>
<br/><br/>
</section>
<!-- bootstrap needs jQuery -->
<script type="module">
import {InputSpinner} from "./src/InputSpinner.js"
const inputSpinnerElements = document.querySelectorAll("input[type='number']")
for (const inputSpinnerElement of inputSpinnerElements) {
new InputSpinner(inputSpinnerElement)
}
</script>
</body>
</html>