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Formatting

The format feature used to customize the units of Slider values to desired format. The formatted values will also be applied to the ARIA attributes of the slider. There are two ways of achieving formatting in slider.

  • Use the format API of slider which utilizes our Internationalization to format values.

  • Customize using the events namely renderingTicks and tooltipChange.

Source
Preview
index.js
// Initialize Slider component
var sliderObj = new ej.inputs.Slider({
    min: 0, max: 100, step: 1, value: 30,
    // Applying currency formatting for tooltip with two decimal specifiers
    tooltip: { isVisible: true, format: 'C2' },
    // Applying currency formatting for ticks with two decimal specifiers
    ticks: { placement: 'After', format: 'C2', largeStep: 20, smallStep: 10, showSmallTicks: true }
});
// Render initialized Slider
sliderObj.appendTo('#slider');

Using format API

In this method, we have different predefined formatting styles like Numeric (N), Percentage (P), Currency (C) and # specifiers. In this below example we have formatted the ticks and tooltip values into percentage.

Source
Preview
index.js
// Initialize Slider component
var percentObj = new ej.inputs.Slider({
    min: 0, max: 1, value: .3, step: .01,
    // Assigning ticks values to percentage formatting
    ticks: { placement: 'After', largeStep: .2, smallStep: .1, showSmallTicks: true, format: 'P0' },
    // Assigning tooltip values to percentage formatting
    tooltip: { placement: 'Before', isVisible: true, showOn: 'Always', format: 'P0' },
});
// Render initialized Slider
percentObj.appendTo('#slider');

Using Events

In this method, we will be retrieving the values from the slider events then process them to desired formatted the values. In this sample we have customized the ticks values into weekdays as one formatting and tooltip values into day of the week as another formatting.

Source
Preview
index.js
// Initialize Slider component
var eventObj = new ej.inputs.Slider({
    // Minimum value
    min: 0,
    // Maximum value
    max: 6,
    // Slider current value
    value: 2,
    // Assigning ticks data
    ticks: {
        placement: 'After',
        largeStep: 1
    },
    renderingTicks: function (args) {
        // Weekdays Array
        var daysArr = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thrusday', 'Friday', 'Saturday'];
        // Customizing each ticks text into weeksdays
        args.text = daysArr[parseFloat(args.value)];
    },
    tooltipChange: function (args) {
        // Customizing tooltip to display the Day (in numeric) of the week
        args.text = 'Day ' + (Number(args.value) + 1).toString();
    },
    // Assigning tooltip data
    tooltip: {
        placement: 'Before',
        isVisible: true
    }
});
// Render initialized Slider
eventObj.appendTo('#slider');