FlexiDatepicker

A lightweight, flexible, and powerful vanilla JavaScript datepicker with multiple selection modes. No dependencies required.

Features

• Four Selection Modes: Single, Multiple, Range, and Multi-Range
• Zero Dependencies: Pure vanilla JavaScript
• Lightweight: ~5.5kB minified
• Customizable: Extensive configuration options
• Responsive: Works on all devices
• Accessible: ARIA-compliant
• i18n Support: Built-in internationalization
• Date Restrictions: Min/max dates, disabled dates, past/future blocking
• Smart Controls: Quick select weekdays, weekends, or all days
• Custom Formatting: Flexible date format patterns

Demo

View Live Demo

Installation

CDN

<!-- CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/gh/leoanangmh/flexidatepicker@latest/dist/flexidatepicker.min.css">

<!-- JavaScript -->
<script src="https://cdn.jsdelivr.net/gh/leoanangmh/flexidatepicker@latest/dist/flexidatepicker.umd.min.js"></script>

NPM

npm install flexidatepicker

yarn

yarn add flexidatepicker

Manual Download

Download the latest release from the releases page and include the files in your project:

<link rel="stylesheet" href="path/to/flexidatepicker.min.css">
<script src="path/to/flexidatepicker.js"></script>

Quick Start

Single Date Selection

<input type="text" id="single-date" placeholder="Select a date">

<script>
  new FlexiDatepicker('#single-date', {
    mode: 'single',
    dateFormat: 'MMM d, yyyy'
  });
</script>

Multiple Date Selection

<input type="text" id="multiple-dates" placeholder="Select multiple dates">

<script>
  new FlexiDatepicker('#multiple-dates', {
    mode: 'multiple'
  });
</script>

Date Range Selection

<input type="text" id="date-range" placeholder="Select a range">

<script>
  new FlexiDatepicker('#date-range', {
    mode: 'range',
    dateFormat: 'MM/dd/yyyy'
  });
</script>

Multi-Range Selection

<input type="text" id="multi-range" placeholder="Select multiple ranges">

<script>
  new FlexiDatepicker('#multi-range', {
    mode: 'multi-range',
    showSelectWeekdays: true,
    showSelectWeekends: true
  });
</script>

Configuration Options

Basic Options

| Option | Type | Default | Description | |--------|------|---------|-------------| | mode | String | 'multi-range' | Selection mode: 'single', 'multiple', 'range', 'multi-range' | | locale | String | 'en-US' | Locale for date formatting | | dateFormat | String | 'MMM d, yyyy' | Date display format |

Display Options

| Option | Type | Default | Description | |--------|------|---------|-------------| | selectedDatesDisplaySelector | String | null | CSS selector for external display element | | showClearAll | Boolean | true | Show "Clear All" button | | showSelectWeekdays | Boolean | true | Show "Select Weekdays" button (multiple/multi-range modes) | | showSelectWeekends | Boolean | true | Show "Select Weekends" button (multiple/multi-range modes) | | showSelectAllDays | Boolean | true | Show "Select All Days" button (multiple/multi-range modes) | | dualCalendar | Boolean | true | Show Dual Calendar |

Date Restrictions

| Option | Type | Default | Description | |--------|------|---------|-------------| | disabledDates | Array | [] | Array of disabled dates (strings or objects with from/to) | | disablePast | Boolean | false | Disable all past dates | | disableFuture | Boolean | false | Disable all future dates | | minDate | String | null | Minimum selectable date (YYYY-MM-DD) | | maxDate | String | null | Maximum selectable date (YYYY-MM-DD) |

Callbacks

| Option | Type | Default | Description | |--------|------|---------|-------------| | onSelectionChange | Function | null | Callback when selection changes. Receives { ranges: [], dates: [] } |

Date Format Patterns

| Pattern | Description | Example | |---------|-------------|---------| | yyyy | 4-digit year | 2025 | | yy | 2-digit year | 25 | | MMMM | Full month name | January | | MMM | Short month name | Jan | | MM | 2-digit month | 01 | | M | Month number | 1 | | dd | 2-digit day | 05 | | d | Day number | 5 |

Example Formats

'MMM d, yyyy'      // Jan 5, 2025
'MM/dd/yyyy'       // 01/05/2025
'd MMMM yyyy'      // 5 January 2025
'yyyy-MM-dd'       // 2025-01-05

Advanced Examples

With Callback Function

new FlexiDatepicker('#datepicker', {
  mode: 'range',
  onSelectionChange: function(data) {
    console.log('Selected ranges:', data.ranges);
    console.log('Selected dates:', data.dates);
    
    // Update your UI or send to server
    if (data.ranges.length > 0) {
      const range = data.ranges[0];
      console.log(`From ${range.start} to ${range.end}`);
    }
  }
});

With Disabled Dates

new FlexiDatepicker('#datepicker', {
  mode: 'single',
  disabledDates: [
    '2025-01-01', // New Year's Day
    '2025-12-25', // Christmas
    { from: '2025-07-01', to: '2025-07-07' } // Vacation week
  ],
  disablePast: true,
  minDate: '2025-01-01',
  maxDate: '2025-12-31'
});

With External Display

<input type="text" id="datepicker" placeholder="Select dates">
<div id="selected-display"></div>

<script>
  new FlexiDatepicker('#datepicker', {
    mode: 'multi-range',
    selectedDatesDisplaySelector: '#selected-display'
  });
</script>

Custom Styling

new FlexiDatepicker('#datepicker', {
  mode: 'range',
  locale: 'es-ES', // Spanish locale
  dateFormat: 'd/M/yyyy',
  showClearAll: true,
  showSelectWeekdays: false
});

Contributing

Contributions are welcome! Please follow these steps:

1. Fork the repository
2. Create a feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

License

MIT License - see the LICENSE file for details

Support

• Documentation
• Issues
• Discussions

Acknowledgments

Built with vanilla JavaScript for maximum compatibility and performance.

Contributors

<a href="https://github.com/leoanangmh/flexidatepicker/graphs/contributors"> <img src="https://contrib.rocks/image?repo=leoanangmh/flexidatepicker" /> </a>