JavaScript How to get individual key value from “Set” Object in JavaScript? individual value at risk,individual value of privacy,individual value

I have Set() object with three key value

var myset =new Set();
myset.add('first','This is first value');
myset.add('second','This is second value');
myset.add('third','This is third value');

Using loop I can got value of these three key

for( var value of myset){
  console.log(value);
}

How can get individual value? I want to get second key of value?

Is there any option?

I have tried these but not working

myset.get('second');
myset(1);

var myset = new Set();
myset.add('first', 'This is first value');
myset.add('second', 'This is second value');
myset.add('third', 'This is third value');

//   Using loop I can got value of these three key

for (var value of myset) {
  console.log(value);
}

// How can get individual value? I want to get second key of value?

// I have tried these but not working

myset.get('second');
myset(1);
Answer:1

Set is a set of values, not a map of them, so add accepts 1 argument, which is a value. The thing you're looking for is Map.

Getting a value by its index is explained in this answer and it's same for both Set and Map. A collection should be iterated until the index is reached. This can be done in less efficient manner by converting it to an array first:

const map = new Map();
map.set('first','This is first value');
map.set('second','This is second value');
map.set('third','This is third value');

console.log(map.get('second') === 'This is second value'); // true
console.log([...map.values()][1] === 'This is second value'); // true
Answer:2

Javascript Set.add() only takes one parameter. So your second param is always ignored, and as its JS this doesnt throw any error. You can achieve what you are trying using simple JS object.

var x = {}
x[key1] = value1
x[key2] = value2

And then you can get the values like:

x[key1] # will output value1
Answer:3

Set.add only take one parameter. What you can do is, Insert JSON object instead shown as below:

var myset = new Set();
myset.add({'first' : 'This is first value'});
myset.add({'second': 'This is second value'});
myset.add({'third':'This is third value'});

var val = [...myset].filter(x => x.hasOwnProperty('first'))[0]['first'];
console.log(val)
Answer:4

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