let p1 = new Promise( (resolve, reject) =>{
for( let n in jsonContent ){
(async (json, index)=>{
for(const key in json){
if (Object.hasOwnProperty.call(json, key)) {
if(key == 'content'){
self.listContent[n] = await dynamicClass(json.content);
}
}
}
json['content'] = self.listContent[n];
self.listItems[n] = await getClass(json.type, json);