Parat til dokumentation
<form class="was-validated">
<div class="form-check is-required">
<input class="form-check-input" type="checkbox" id="checkbox" required>
<label class="form-check-label" for="checkbox">
Denne checkboks er ikke er valgt
</label>
<div class="invalid-feedback">
Denne checkbox skal være valgt
</div>
</div>
</form>
<form {{#if isInvalid}}class="was-validated" {{/if}}{{#if isValid}}class="was-validated" {{/if}}>
<div class="form-check {{#if isRequired}}is-required{{/if}}">
<input class="form-check-input" type="checkbox" id="checkbox{{id}}" {{#if isChecked}}checked{{/if}} required>
<label class="form-check-label" for="checkbox{{id}}">
{{label}}
</label>
{{#if isInvalid}}
<div class="invalid-feedback">
{{validationMessage}}
</div>
{{/if}}
{{#if isValid}}
<div class="valid-feedback">
{{validationMessage}}
</div>
{{/if}}
</div>
</form>
{
"label": "Denne checkboks er ikke er valgt",
"validationMessage": "Denne checkbox skal være valgt",
"isInvalid": true,
"isRequired": true
}