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Greater possible digit difference of a number in JavaScript
We are required to write a JavaScript function that takes in a number. Then the function should return the greatest difference that exists between any two digits of the number.
In other words, the function should simply return the difference between the greatest and the smallest digit present in it.
For example:
If the number is 654646, Then the smallest digit here is 4 and the greatest is 6 Hence, our output should be 2
Example
The code for this will be −
const num = 654646;
const maxDifference = (num, min = Infinity, max = -Infinity) => {
if(num){
const digit = num % 10;
return maxDifference(Math.floor(num / 10), Math.min(digit, min),
Math.max(digit, max));
};
return max - min;
};
console.log(maxDifference(num));Output
The output in the console −
2
Updated on: 15-Oct-2020
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