What is the recommended way to filter Objects with Unique property in the array in JS?

Question

How to filter objects in array based on unique property here i have an array where KEY is the key value in the objects. How to filter the objects where key value is unique. Key

Answer 1

var uniqueArray = []
for (var i = 0; i < array.length; i++) {
    var uniquevalue = array[i];
    unique[array.KEY] = uniquevalue;
}
for (var name in unique) {
    var uniqueObject = unique[name];
    uniqueArray.push(uniqueObject);
}