function display_message() {
let arrayOfElements = [{
"name": "a",
"subElements": [{
"surname": 1
}, {
"surname": 2
}]
}, {
"name": "b",
"subElements": [{
"surname": 3
}, {
"surname": 1
}]
}, {
"name": "c",
"subElements": [{
"surname": 2
}, {
"surname": 5
}]
}];
// console.log(arrayOfElements);
var surname = 1;
let filteredArray = arrayOfElements.filter((element) => element.subElements.some((subElement) => subElement.surname === surname));
for(var data in filteredArray){
filteredArray[data].subElements = {"surname": surname};
}
console.log(filteredArray);
}