filter duplicate using map and filter in typescript
var arrOfObj = [
{
id:1 ,name:'abc',age:27
},
{
id:2 ,name:'pqr',age:27
},
{
id:1 ,name:'abc',age:27
},
]
var setObj = new Set(); // create key value pair from array of array
var result = arrOfObj.reduce((acc,item)=>{
if(!setObj.has(item.age)){
setObj.add(item.age)
acc.push(item)
}
return acc;
},[]);//converting back to array from mapobject
console.log(result);
Are there any code examples left?
New code examples in category TypeScript
-
TypeScript 2022-03-27 19:30:45 typescript promise
-
TypeScript 2022-03-27 17:25:44 how to search for imports in vscode
-
TypeScript 2022-03-27 17:15:20 angular formgroup mark as touched
-
TypeScript 2022-03-27 17:05:06 use of slice and splice add elements array
-
TypeScript 2022-03-27 16:50:23 android studio loop through all objects in layout
-
TypeScript 2022-03-27 14:35:08 wergensherts meaning
-
TypeScript 2022-03-27 13:50:15 remove all the elements from a numpy array python
-
TypeScript 2022-03-27 12:35:49 redux toolkit typescript install
-
TypeScript 2022-03-27 12:35:30 laravel middleware for apis