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Sorting the numbers from within in JavaScript
We are required to write a JavaScript function that takes in an array of numbers and reorders the digit of all the numbers internally in a specific order (let’s say in ascending order for the sake of this problem).
For example: If the array is −
const arr = [543, 65, 343, 75, 567, 878, 87];
Then the output should be −
const output = [345, 56, 334, 57, 567, 788, 78];
Therefore, let’s write the code for this function −
Example
The code for this will be −
const arr = [543, 65, 343, 75, 567, 878, 87];
const ascendNumber = num => {
const numArr = String(num).split('').map(el => +el);
numArr.sort((a, b) => a - b);
return numArr.join('');
};
const sortDigits = arr => {
const res = [];
for(let i = 0; i < arr.length; i++){
res.push(ascendNumber(arr[i]));
};
return res;
};
console.log(sortDigits(arr));Output
The output in the console will be −
[ '345', '56', '334', '57', '567', '788', '78' ]
Updated on: 19-Oct-2020
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