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how to check duplicate objects in array and remove in angular Code Example
how to check duplicate objects in array and remove in angular 
var filterArray = courseArray.reduce((accumalator, current) => {
    if(!accumalator.some(item => item.id === current.id && item.name === current.name)) {
      accumalator.push(current);
    }
    return accumalator;
},[]);
console.log(filterArray)
Source: www.cloudhadoop.com
how to check duplicate objects in array and remove in angular 
let arr = [
  {value: 'L7-LO', name: 'L7-LO'},
  {value: '%L7-LO', name: '%L7-LO'},
  {value: 'L7-LO', name: 'L7-LO'},
  {value: '%L7-LO', name: '%L7-LO'},
  {value: 'L7-L3', name: 'L7-L3'},
  {value: '%L7-L3', name: '%L7-L3'},
  {value: 'LO-L3', name: 'LO-L3'},
  {value: '%LO-L3', name: '%LO-L3'}
];
let obj = {};

const unique = () => {
  let result = [];
  
  arr.forEach((item, i) => {
    obj[item['value']] = i;
  });
  
  for (let key in obj) {
    let index = obj[key];
    result.push(arr[index])
  }
  
  return result;
}

arr = unique(); // for example; 

console.log(arr);
Source: stackoverflow.com



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