array of objects how to check if property has duplicate js check if array of objects contains duplicates array of objects value repeat check

The solution for “array of objects how to check if property has duplicate js check if array of objects contains duplicates array of objects value repeat check” can be found here. The following code will assist you in solving the problem.

var yourArray = [

{Index: 1, Name: “Farley, Charley”, EmployeeCode: “12”, PaymentType: “Void”, CheckDate: “01/04/2012”},
{Index: 2, Name: “Farley, Charley”, EmployeeCode: “12”, PaymentType: “Void”, CheckDate: “01/04/2012”},
{Index: 3, Name: “Tarley, Charley”, EmployeeCode: “12”, PaymentType: “Void”, CheckDate: “01/04/2012”}
];

unique = […new Set(yourArray.map(propYoureChecking => propYoureChecking.Name))];
if (unique.length === 1) {
console.log(unique);
}const arrayOfObjCopy = […arrayOfObj];

Object.keys(arrayOfObjCopy).forEach((key) => {
arrayOfObjCopy[key] = JSON.stringify(arrayOfObjCopy[key]);
});

const arrayOfObjhasDuplicates = uniq(arrayOfObjCopy).length != arrayOfObjCopy.length;
const values = [
{ name: ‘someName1’ },
{ name: ‘someName2’ },
{ name: ‘someName3’ },
{ name: ‘someName1’ }
]

const uniqueValues = new Set(values.map(v => v.name));

if (uniqueValues.size < values.length) { console.log('duplicates found') } Run code snippetHide results

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