Overview
Bootstrap Maxlength is a visual feedback indicator for the maxlength attribute. For more info please visit the plugin's Home or Github Repo.
Usage
Bootstrap Maxlength's Javascript files are bundled in the global plugin bundles and globally included in all pages. However, the maxlength functionality requires a manual Javascript initialization.
<script src="assets/plugins/global/plugins.bundle.js"></script>Basic Example
Basic example of a simple input with the
maxlength HTML attribute to control the total number of characters allowed.
The badge will show up by default when the remaining chars are 10 or less
$('#kt_docs_maxlength_basic').maxlength({
warningClass: "badge badge-warning",
limitReachedClass: "badge badge-success"
});<label class="form-label">Basic example</label>
<input type="text" class="form-control" id="kt_docs_maxlength_basic" maxlength="10" />
<span class="fs-6 text-muted">The badge will show up by default when the remaining chars are 3 or less</span>Threshold
An example of Bootstrap Maxlength with a treshold option. The
threshold option is to set the minimum number of characters that will display the badge.
Set threshold value to show there are 20 chars or less left
$('#kt_docs_maxlength_threshold').maxlength({
threshold: 20,
warningClass: "badge badge-primary",
limitReachedClass: "badge badge-success"
});<label class="form-label">Threshold example</label>
<input type="text" class="form-control" id="kt_docs_maxlength_threshold" maxlength="25" />
<span class="fs-6 text-muted">Set threshold value to show there are 20 chars or less left</span>Always Show
An example of Bootstrap Maxlength with an always show option. Add
alwaysShow: true in the Javascript.
Show the counter on input focus
$('#kt_docs_maxlength_always_show').maxlength({
alwaysShow: true,
threshold: 20,
warningClass: "badge badge-primary",
limitReachedClass: "badge badge-success"
});<label class="form-label">Threshold example</label>
<input type="text" class="form-control" id="kt_docs_maxlength_always_show" maxlength="20" />
<span class="fs-6 text-muted">Show the counter on input focus</span>Custom Text
An example of Bootstrap Maxlength with some custom text in the badge. Please refer to the code sample below for the JS options.
Display custom text on input focus
$('#kt_docs_maxlength_custom_text').maxlength({
threshold: 20,
warningClass: "badge badge-danger",
limitReachedClass: "badge badge-success",
separator: ' of ',
preText: 'You have ',
postText: ' chars remaining.',
validate: true
});<label class="form-label">Custom text example</label>
<input type="text" class="form-control" id="kt_docs_maxlength_custom_text" maxlength="20" />
<span class="fs-6 text-muted">Display custom text on input focus</span>Textarea
Bootstrap Maxlength can also be applied to
textarea.
Bootstrap maxlength supports textarea as well as inputs
$('#kt_docs_maxlength_textarea').maxlength({
warningClass: "badge badge-primary",
limitReachedClass: "badge badge-success"
});<label class="form-label">Textarea example</label>
<textarea class="form-control" id="kt_docs_maxlength_textarea" maxlength="20" placeholder="" rows="6"></textarea>
<span class="fs-6 text-muted">Bootstrap maxlength supports textarea as well as inputs</span>Set Position
Here's an example of predefining the badge position, relative to the input.
The field counter can be positioned at the top, bottom, left or right.
$('#kt_docs_maxlength_position_top_left').maxlength({
placement: 'top-left',
warningClass: "badge badge-danger",
limitReachedClass: "badge badge-primary"
});<label class="form-label">Set Position example</label>
<input type="text" class="form-control" id="kt_docs_maxlength_position_top_left" maxlength="20" />
<input type="text" class="form-control" id="kt_docs_maxlength_position_top_right" maxlength="20" />
<input type="text" class="form-control" id="kt_docs_maxlength_position_bottom_left" maxlength="20" />
<input type="text" class="form-control" id="kt_docs_maxlength_position_bottom_right" maxlength="20" />
<span class="fs-6 text-muted">The field counter can be positioned at the top, bottom, left or right.</span>Modal Example
Use Date Range Picker within Bootstrap Modal:
$('#kt_docs_maxlength_basic_modal').maxlength({
warningClass: "badge badge-primary",
limitReachedClass: "badge badge-success"
});<!--begin::Modal-->
<div class="modal fade" tabindex="-1" id="kt_modal_1">
<div class="modal-dialog">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title">Modal title</h5>
<!--begin::Close-->
<div class="btn btn-icon btn-sm btn-active-light-primary ms-2" data-bs-dismiss="modal" aria-label="Close">
<i class="ki-duotone ki-cross fs-2x"><span class="path1"></span><span class="path2"></span></i>
</div>
<!--end::Close-->
</div>
<div class="modal-body">
<label class="form-label">Basic example</label>
<input type="text" class="form-control mb-3" id="kt_docs_maxlength_basic" maxlength="10" />
<span class="fs-6 text-muted">The badge will show up by default when the remaining chars are 10 or less</span>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-light" data-bs-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save changes</button>
</div>
</div>
</div>
</div>
<!--end::Modal-->
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