différence javascript entre deux tableaux
let difference = arr1.filter(x => !arr2.includes(x));
Fragile Fish
let difference = arr1.filter(x => !arr2.includes(x));var result = result1.filter(function (o1) {
return result2.some(function (o2) {
return o1.id === o2.id; // return the ones with equal id
});
});
// if you want to be more clever...
let result = result1.filter(o1 => result2.some(o2 => o1.id === o2.id));//Find values that are in result1 but not in result2
var uniqueResultOne = result1.filter(function(obj) {
return !result2.some(function(obj2) {
return obj.value == obj2.value;
});
});
//Find values that are in result2 but not in result1
var uniqueResultTwo = result2.filter(function(obj) {
return !result1.some(function(obj2) {
return obj.value == obj2.value;
});
});
//Combine the two arrays of unique entries
var result = uniqueResultOne.concat(uniqueResultTwo);a = [{ value:"4a55eff3-1e0d-4a81-9105-3ddd7521d642", display:"Jamsheer"}, { value:"644838b3-604d-4899-8b78-09e4799f586f", display:"Muhammed"}, { value:"b6ee537a-375c-45bd-b9d4-4dd84a75041d", display:"Ravi"}, { value:"e97339e1-939d-47ab-974c-1b68c9cfb536", display:"Ajmal"}, { value:"a63a6f77-c637-454e-abf2-dfb9b543af6c", display:"Ryan"}]
b = [{ value:"4a55eff3-1e0d-4a81-9105-3ddd7521d642", display:"Jamsheer", $$hashKey:"008"}, { value:"644838b3-604d-4899-8b78-09e4799f586f", display:"Muhammed", $$hashKey:"009"}, { value:"b6ee537a-375c-45bd-b9d4-4dd84a75041d", display:"Ravi", $$hashKey:"00A"}, { value:"e97339e1-939d-47ab-974c-1b68c9cfb536", display:"Ajmal", $$hashKey:"00B"}]
function comparer(otherArray){
return function(current){
return otherArray.filter(function(other){
return other.value == current.value && other.display == current.display
}).length == 0;
}
}
var onlyInA = a.filter(comparer(b));
var onlyInB = b.filter(comparer(a));
result = onlyInA.concat(onlyInB);
console.log(result);const arr1 = [{id:1}];
const arr2 = [{user: {id:1}}];
const arr3 = arr1.filter(({ _id: id1 }) => !arr2.some(({ user: { id: id2 } }) => id2 === id1));