The size of the datetimepicker input.
Examples
Bootstrap 5
<p><label for="small">Small Size:</label> <input id="small" width="234" value="10:20 03/20/2023" /></p>
<p><label for="default">Default Size:</label> <input id="default" width="234" value="10:20 03/20/2023" /></p>
<p><label for="large">Large Size:</label> <input id="large" width="234" value="10:20 03/20/2023" /></p>
<script>
$('#small').datetimepicker({ uiLibrary: 'bootstrap5', size: 'small' });
$('#default').datetimepicker({ uiLibrary: 'bootstrap5', size: 'default' });
$('#large').datetimepicker({ uiLibrary: 'bootstrap5', size: 'large' });
</script>
Bootstrap 4
<p><label for="small">Small Size:</label> <input id="small" width="234" value="10:20 03/20/2023" /></p>
<p><label for="default">Default Size:</label> <input id="default" width="234" value="10:20 03/20/2023" /></p>
<p><label for="large">Large Size:</label> <input id="large" width="234" value="10:20 03/20/2023" /></p>
<script>
$('#small').datetimepicker({ uiLibrary: 'bootstrap4', size: 'small' });
$('#default').datetimepicker({ uiLibrary: 'bootstrap4', size: 'default' });
$('#large').datetimepicker({ uiLibrary: 'bootstrap4', size: 'large' });
</script>
Bootstrap 4 Font Awesome
<p><label for="small">Small Size:</label> <input id="small" width="234" value="10:20 03/20/2023" /></p>
<p><label for="default">Default Size:</label> <input id="default" width="234" value="10:20 03/20/2023" /></p>
<p><label for="large">Large Size:</label> <input id="large" width="234" value="10:20 03/20/2023" /></p>
<script>
$('#small').datetimepicker({ uiLibrary: 'bootstrap4', iconsLibrary: 'fontawesome', size: 'small' });
$('#default').datetimepicker({ uiLibrary: 'bootstrap4', iconsLibrary: 'fontawesome', size: 'default' });
$('#large').datetimepicker({ uiLibrary: 'bootstrap4', iconsLibrary: 'fontawesome', size: 'large' });
</script>
Bootstrap 3
<p><label for="small">Small Size:</label> <input id="small" width="220" value="10:20 03/20/2023" /></p>
<p><label for="default">Default Size:</label> <input id="default" width="220" value="10:20 03/20/2023" /></p>
<p><label for="large">Large Size:</label> <input id="large" width="220" value="10:20 03/20/2023" /></p>
<script>
$('#small').datetimepicker({ uiLibrary: 'bootstrap', size: 'small' });
$('#default').datetimepicker({ uiLibrary: 'bootstrap', size: 'default' });
$('#large').datetimepicker({ uiLibrary: 'bootstrap', size: 'large' });
</script>
Material Design
<p><label for="small">Small Size:</label> <input id="small" width="276" value="10:20 03/20/2023" /></p>
<p><label for="default">Default Size:</label> <input id="default" width="276" value="10:20 03/20/2023" /></p>
<p><label for="large">Large Size:</label> <input id="large" width="276" value="10:20 03/20/2023" /></p>
<script>
$('#small').datetimepicker({ size: 'small' });
$('#default').datetimepicker({ size: 'default' });
$('#large').datetimepicker({ size: 'large' });
</script>