Can anyone provide assistance?
Data = [{"name":A,"val":20}, {"name":B,"val":7}, {"name":C,"val":20}, {"name":D,"val":8}, {"name":E,"val":5}]SortedValues = [20, 20, 7, 8, 5]
I would like the output to be like this -->
Sorted_names = [A,C,D,B,E] or Sorted_names = [C,A,D,B,E]Basic example of using forEach on a list of SortedValue, along with utilizing find to search for items in an array called Obj:
let Obj = [{"name":"A","val":20}, {"name":"B","val":7}, {"name":"C","val":20}, {"name":"D","val":8} , {"name":"E","val":5}]
let SortedValue = [20, 20, 7, 8, 5];
let result = [];
SortedValue.forEach(x => {
let findObj = Obj.find(y => y.val === x);
if (findObj) {
result.push(findObj.name);
Obj.splice(Obj.map(z => z.name).indexOf(findObj.name), 1);
}
});
console.log(result);Here are a few techniques for sorting with the use of sort.
const collection = [{name:"Z", val: 10}, {name: "X", val: 15}, {name: "Y", val: 8}, {name:"W",val:13}, {name:"V",val:20}];
const nameSorted = collection.sort((x, y)=> {
if (x.name > y.name) return 1;
if (x.name < y.name) return -1;
return 0;
}).map(item => item.name);
console.log('sorted names: ', nameSorted);
const simplifiedNameSort = collection.sort((x, y)=> x.name < y.name ? -1 : x.name > y.name ? 1 : 0).map(item => item.name);
console.log('simplified name sorting: ', simplifiedNameSort);
const valueSorted = collection.sort((x, y)=> x.val - y.val).map(item => item.name);
console.log('sorted values: ', valueSorted);
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