/TypeScript/Array of objects how to check if property has duplicate

Array of objects how to check if property has duplicate

Js check if array of objects contains duplicates

const arrayOfObjCopy = [...arrayOfObj];

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

const arrayOfObjhasDuplicates = uniq(arrayOfObjCopy).length != arrayOfObjCopy.length;

Array of objects how to check if property has duplicate

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);
}

Similar codes

5 votes179 views2 answers
Validation minlength angular
TypeScript
0 vote172 views1 answer
Woocommerce change related products tect
TypeScript
2 votes204 views1 answer
Find total commits in git
TypeScript
0 vote198 views1 answer
Inno add exe in service
TypeScript
0 vote179 views1 answer
How to set value of multiselect dropdown for reactive forms in angular 6
TypeScript
7 votes173 views4 answers
Typescript array
TypeScript
1 vote243 views1 answer
Did you mean 'requestFullscreen'?
TypeScript
0 vote181 views1 answer
Ggplots in r
TypeScript
0 vote185 views1 answer
Find common elements in two flutter
TypeScript
0 vote184 views1 answer
Copy object in typescript
TypeScript