jbvalidator is a fresh new jQuery based form validation plugin that is created for the latest Bootstrap 5 framework and supports both client side and server-side validation.
- Multiple languages.
- Custom error messages.
- Custom validation rules.
- Easy to use via HTML data attribute.
npm i @emretulek/jbvalidator
Or grab from jsdelivr CDN :
<script src="https://cdn.jsdelivr.net/npm/@emretulek/jbvalidator"></script>- Html 5 validation
- data-v-equal: id of the element that should be the same
- data-v-min-select: multiple selectbox, minimum selectable count
- data-v-max-select: multiple selectbox, maximum selectable count
- data-checkbox-group: the parent attribute of group checkbox elements
- data-v-min: alternative of the min attribute, this can be used for attribute type text
- data-v-max: alternative of the max attribute, this can be used for attribute type text
- data-v-min-length: alternative of the minlength attribute
- data-v-max-length: alternative of the maxlength attribute
- data-v-min-size: the input type file minimum file size (byte)
- data-v-max-size: the input type file maximum file size (byte)
- data-v-message: alternative error mesage
- validator: add new custom validation
- checkAll(formSelector = null, event = null): show errors without submitting the form, return error count
- errorTrigger(inputSelector, message): show the error messages returned from the server.
- reload(): reload instance after dynamic element is added
The form's attribute have to novalidate <form novalidate>
<script src="dist/jbvalidator.min.js"></script>
<script>
$(function (){
let validator = $('form.needs-validation').jbvalidator({
errorMessage: true,
successClass: true,
language: "https://emretulek.github.io/jbvalidator/dist/lang/en.json"
});
//custom validate methode
validator.validator.custom = function(el, event){
if($(el).is('[name=password]') && $(el).val().length < 5){
return 'Your password is too weak.';
}
}
validator.validator.example = function(el, event){
if($(el).is('[name=username]') && $(el).val().length < 3){
return 'Your username is too short.';
}
}
//check form without submit
validator.checkAll(); //return error count
//reload instance after dynamic element is added
validator.reload();
})
</script>You can show the error messages returned from the server. The ".errorTrigger" method can be used for this.
.errorTrigger(element, message)
<script src="dist/jbvalidator.min.js"></script>
<script>
$(function (){
let validatorServerSide = $('form.validatorServerSide').jbvalidator({
errorMessage: true,
successClass: false,
});
//serverside
$(document).on('submit', '.validatorServerSide', function(){
$.ajax({
method:"get",
url:"http://jsvalidation.test/test.json",
data: $(this).serialize(),
success: function (data){
if(data.status === 'error') {
validatorServerSide.errorTrigger($('[name=username]'), data.message);
}
}
})
return false;
});
})
</script>{
language: '', //json file url
errorMessage: true,
successClass: false,
html5BrowserDefault: false,
validFeedBackClass: 'valid-feedback',
invalidFeedBackClass: 'invalid-feedback',
validClass: 'is-valid',
invalidClass: 'is-invalid'
}
{
"maxValue": "Value must be less than or equal to %s.",
"minValue": "Value must be greater than or equal to %s.",
"maxLength": "Please lengthen this text to %s characters or less (you are currently using %s characters).",
"minLength": "Please lengthen this text to %s characters or more (you are currently using %s characters).",
"minSelectOption": "Please select at least %s options.",
"maxSelectOption": "Please select at most %s options.",
"groupCheckBox": "Please select at least %s options.",
"equal": "This field does not match with %s field.",
"fileMinSize": "File size cannot be less than %s bytes.",
"fileMaxSize": "File size cannot be more than %s bytes.",
"number": "Please enter a number.",
"HTML5": {
"valueMissing": {
"INPUT": {
"default": "Please fill out this field.",
"checkbox": "Please check this box.",
"radio": "Please select one of these options.",
"file": "Please select a file."
},
"SELECT": "Please select an item in the list."
},
"typeMismatch": {
"email": "Please enter an e-mail address.",
"url": "Please enter a URL."
},
"rangeUnderflow": {
"date": "Value must be %s or later.",
"month": "Value must be %s or later.",
"week": "Value must be %s or later.",
"time": "Value must be %s or later.",
"datetimeLocale": "Value must be %s or later.",
"number": "Value must be greater than or equal to %s.",
"range": "Value must be greater than or equal to %s."
},
"rangeOverflow": {
"date": "Value must be %s or earlier.",
"month": "Value must be %s or earlier.",
"week": "Value must be %s or earlier.",
"time": "Value must be %s or earlier.",
"datetimeLocale": "Value must be %s or earlier.",
"number": "Value must be less than or equal to %s.",
"range": "Value must be less than or equal to %s."
},
"stepMismatch": {
"date": "You can only select every %s. day in the date calendar.",
"month": "You can only select every %s. month in the date calendar.",
"week": "You can only select every %s. week in the date calendar.",
"time": "You can only select every %s. second in the time picker.",
"datetimeLocale": "You can only select every %s. second in the time picker.",
"number": "Please enter a valid value. Only %s and a multiple of %s.",
"range": "Please enter a valid value. Only %s and a multiple of %s."
},
"tooLong": "Please lengthen this text to %s characters or less (you are currently using %s characters).",
"tooShort": "Please lengthen this text to %s characters or more (you are currently using %s characters).",
"patternMismatch": "Please match the request format. %s",
"badInput": {
"number": "Please enter a number."
}
}
}
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