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.

Get the Code!

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

Thank you for using DeclareCode; We hope you were able to resolve the issue.

More questions on [categories-list]