Found some further informations. In wp-content\plugins\chronoforms\chronog3\assets\js\g3.forms.js in $.G3.forms.initializeForm jQuery.fn.form is undefinedIf I change the beginning as following the error disapeared and I can use the fileuploade again
(function($){
if($.G3 == undefined){
$.G3 = {};
}
$.G3.forms = {};
var settings= jQuery.fn.form.settings;
$.G3.forms.quickUpload = function(Widget, requestData){
$.ajax({
xhr: function(){
var xhr = new window.XMLHttpRequest();
xhr.upload.addEventListener('progress', function(evt){
if(evt.lengthComputable){
var percentComplete = evt.loaded / evt.total;
percentComplete = parseInt(percentComplete * 100);
console.log(percentComplete);
// $(Widget).find('.progress').progress('set percent', percentComplete);
if(percentComplete === 100){
//container.find('.progress').hide();
}
}
}, false);
return xhr;
},
url: $(Widget).data('url'),
type: "POST",
data: requestData,
processData: false,
contentType: false,
beforeSend: function(){
$(Widget).addClass('ui form loading');
},
error: function(xhr, textStatus, message){
$(element).removeClass('loading');
alert(textStatus+':'+message);
},
success: function(data, textStatus, xhr){
$(Widget).removeClass('ui form loading');
//$(Widget).append(data);
}
});
}
$.G3.forms.initializeForm = function (Form){
var validationRules = {};
settings.rules.required = function(value){
if(value){
return true;
}else{
return false;
}
};
settings.rules.email = function(value){
if(value.match(/^([a-zA-Z0-9_\.\-\+%])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{1,11})+$/)){
return true;
}else{
return false;
}
};
settings.rules.minChecked = function(value, minChecked){
jQuery(this).closest('.mainfield').off('change.validation').on('change.validation', ':input', function(){
Form.form('validate form');
});
if(jQuery(this).closest('.mainfield').find(':input:checked').length >= minChecked){
return true;
}else{
return false;
}
};
settings.rules.maxChecked = function(value, maxChecked){
jQuery(this).closest('.mainfield').off('change.validation').on('change.validation', ':input', function(){
Form.form('validate form');
});
if(jQuery(this).closest('.mainfield').find(':input:checked').length > maxChecked){
return false;
}else{
return true;
}
};
