find the range of all values in a map in javascript

To find the range of all values in a JavaScript Map, you can first convert the map values into an array using the spread operator, and then use the Math object to find the maximum and minimum values in the array. Once you have the maximum and minimum values, you can subtract the minimum from the maximum to get the range.

Here's an example code snippet:


index.tsx
// create a sample map
const myMap = new Map([
  ['a', 10],
  ['b', 20],
  ['c', 30],
]);

// convert map values to array using spread operator
const mapValuesArray = [...myMap.values()];

// use Math.max and Math.min to get max and min values
const maxValue = Math.max(...mapValuesArray);
const minValue = Math.min(...mapValuesArray);

// calculate range
const range = maxValue - minValue;

console.log(range); // output: 20
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In this example, the range of the values in the map is 20.

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