This guide demonstrates how to display a slider, embedded within the window frame container. Resizing the window frame also resizes the slider proportionately; clicking the slider logs the event to the console.
<!DOCTYPE html> <!-- Copyright (c) 2026 by Javaika Technologies -->
<html lang = "en-AU"> <!-- Set the primary language to en-AU -->
<head>
<title>Slider</title> <!-- Set the page title -->
<meta name = "robots" content = "noindex, follow">
</head>
<body>
<!-- Include the framework script tag -->
<script type = "module" src = "https://www.javaika.com/frame/web-interface@main/api.js"></script>
<!-- Run the demo as an ES Module -->
<script type = "module">
// Initialize a shorter prefix for referencing.
const jwi = window.javaika.webInterface;
let sliderControl; // Declare slider control.
let sliderTicks = []; // Declare slider ticks.
// Initialize the developer token endpoint.
jwi.init({
tokenEndpoint: "https://www.javaika.com/pscript/jwt-access.php"
});
// Authenticate before using the framework.
jwi.requestToken({
framework: "web_interface" // Specify the framework for token issuance.
});
// Authenticate callback handler.
function onAuthenticate(event)
{
jwi.refreshToken(); // Refresh the authentication token.
console.log('[Web Interface] Authentication received callback:', event);
}
// Window frame resized callback handler.
function onWindowFrameResized(event)
{
jwi.scaleInterfaceControls(event.detail.scaleFactor);
}
// Slider initialized callback handler.
function onSliderInitialized(event)
{
sliderControl.setSizeFactor(2.5); // Increase initial size.
sliderControl.setEvent('click', onClick); // Bind click event.
// Add the slider ticks to the slider control.
for (let sliderTick of sliderTicks)
{
sliderControl.addTickEntry(sliderTick); // Add tick.
}
console.log('[Web Interface] Slider initialized callback:', event);
}
// Click callback handler.
function onClick(event)
{
const percentage = sliderControl.getPercentage();
console.log('[Web Interface] Click callback:', event);
console.log('[Web Interface] Slider percentage:', percentage);
}
// Initialized callback handler.
function onInitialized(event)
{
// Define the controls for the interface.
let windowFrame = new jwi.WindowFrame();
sliderTicks[0] = new jwi.SliderTick();
sliderTicks[1] = new jwi.SliderTick();
sliderTicks[2] = new jwi.SliderTick();
sliderTicks[3] = new jwi.SliderTick();
sliderTicks[4] = new jwi.SliderTick();
sliderControl = new jwi.Slider();
// Add initial styles for the slider.
sliderControl.addStyle('left', '8%');
sliderControl.addStyle('top', '45%');
// Add slider component to the window frame.
windowFrame.addSliderElement(sliderControl);
// Enable manual resizing of the container window.
jwi.setContainerManuallyResizable(true);
jwi.setMaintainAspectRatio(true);
// Set handle offsets from the container window.
jwi.setContainerOffsetHeight(50);
jwi.setContainerOffsetWidth(50);
// Render interface to the browser window.
jwi.renderInterface(windowFrame);
console.log('[Web Interface] Framework initialized callback:', event);
}
// Callback event after authenticate.
document.addEventListener
(
'javaika.webInterface.authenticate', onAuthenticate
);
// Callback event after initialized.
document.addEventListener
(
'javaika.webInterface.initialized', onInitialized
);
// Callback event after slider initialized.
document.addEventListener
(
'javaika.webInterface.sliderInitialized', onSliderInitialized
);
// Callback event after window frame resize.
document.addEventListener
(
'javaika.webInterface.windowFrameResized', onWindowFrameResized
);
</script>
</body>
</html>
/* Standard class styles */
.javaika-slider
{
position: absolute;
width: 200px;
display: none;
}
.javaika-slider-track
{
background: linear-gradient(to bottom, #F0F0F0, #FAFAFA, #F0F0F0);
box-sizing: border-box;
position: relative;
border: 1px solid;
border-color: #CCC;
border-radius: 10px;
height: 10px;
}
.javaika-slider-thumb
{
background: linear-gradient(to bottom, #F0F0F0, #D0D0D0);
transform: translateX(-50%);
border-radius: 50%;
box-sizing: border-box;
position: absolute;
cursor: pointer;
border: 1px solid;
border-color: #AAA;
height: 23px;
width: 23px;
top: -7px;
z-index: 1;
}
.javaika-slider-marking
{
justify-content: space-between;
position: absolute;
width: calc(100%);
display: flex;
z-index: 0;
height: 15px;
top: 15px;
}
.javaika-slider-tick
{
background-color: #A0A0A0;
height: 50%;
width: 1px;
}
/* Adjoined class styles */
.javaika-slider.disabled
{
pointer-events: none;
cursor: not-allowed;
opacity: 0.5;
}
.javaika-slider-tick.large
{
height: 100%;
}
/* Pseudo class styles */
.javaika-slider:focus
{
outline: none;
}
.javaika-slider:focus-visible
{
outline: 2px solid #809DFF;
outline-offset: 3px;
}
.javaika-slider-thumb:hover
{
background: linear-gradient(to bottom, #FAFAFA, #E0E0E0);
}
.javaika-slider-thumb:active
{
background: linear-gradient(to bottom, #D0D0D0, #F0F0F0);
}
Next capability: Demonstrate how to incorporate a Text Field.