Introduction
This question is about whether it is possible to create a for loop for an array of objects, removing duplicate values and adding the values which consist of the same user. The answer to this question is yes, it is possible to create a for loop for an array of objects, removing duplicate values and adding the values which consist of the same user. In this article, we will discuss how to create a for loop for an array of objects, removing duplicate values and adding the values which consist of the same user. We will also discuss some of the best practices for creating a for loop for an array of objects, removing duplicate values and adding the values which consist of the same user.
Solution
Yes, it is possible to use a for loop to remove duplicate objects from an array and add the values which consist of the same user. Here is an example of how this could be done:
// Create an array of objects
let arrayOfObjects = [
{ user: ‘John’, value: 10 },
{ user: ‘John’, value: 20 },
{ user: ‘Jane’, value: 30 },
{ user: ‘John’, value: 40 }
];
// Create an empty object to store the unique users
let uniqueUsers = {};
// Loop through the array of objects
for (let i = 0; i < arrayOfObjects.length; i++) {
// Get the current user
let currentUser = arrayOfObjects[i].user;
// Check if the user is already in the uniqueUsers object
if (!uniqueUsers[currentUser]) {
// If not, add the user to the uniqueUsers object
uniqueUsers[currentUser] = arrayOfObjects[i].value;
} else {
// If the user is already in the uniqueUsers object, add the value to the existing value
uniqueUsers[currentUser] += arrayOfObjects[i].value;
}
}
// Log the uniqueUsers object
console.log(uniqueUsers);
// Output: { John: 70, Jane: 30 }
You could try something like this:
var data = [
{ user: 'VAY9090', value: [ 'KL65' ] },
{ user: 'VAY9090', value: [ 'KL6I' ] },
{ user: 'VAY9092', value: [ 'KLMF' ] },
{ user: 'VAY9092', value: [ 'KLMQ' ] },
{ user: 'VAY9090', value: [ 'KLMR' ] },
{ user: 'BTD9891', value: [ 'KLMS' ] },
{ user: 'VAY9090', value: [ 'KLVZ' ] },
{ user: 'VAY9033', value: [ 'KMYJ' ] },
{ user: 'BTD9891', value: [ 'KMYK' ] }
];
var convertedData = convert(data);
console.log(convertedData);
function convert(data) {
var result = [];
var obj = {};
data.forEach(function(item) {
obj[item.user] = obj[item.user] || {
user: item.user,
value: []
};
obj[item.user].value = obj[item.user].value.concat(item.value);
});
for(var i in obj) {
result.push(obj[i]);
}
return result;
}
1
solved can its possible to make for loop for array of objects, removing duplicate and add the values which consists of same user [closed]
It is possible to make a for loop for an array of objects, removing duplicate and adding the values which consists of the same user. To do this, you will need to use the Array.prototype.filter()
method. This method will allow you to filter out any duplicate values in the array and then add the values which consists of the same user.
The first step is to create a function which will take in the array of objects and the user as parameters. This function will then loop through the array and filter out any duplicate values. After this, it will add the values which consists of the same user. Here is an example of how this could be done:
function filterDuplicatesAndAddValues(array, user) {
return array.filter((item, index, self) =>
index === self.findIndex((t) => (
t.user === user && t.value === item.value
))
);
}
Once the function has been created, you can then call it with the array of objects and the user as parameters. This will then return an array with the filtered values and the values which consists of the same user.
In conclusion, it is possible to make a for loop for an array of objects, removing duplicate and adding the values which consists of the same user. This can be done by using the Array.prototype.filter()
method and creating a function which will filter out any duplicate values and add the values which consists of the same user.