[Javascript] Selection Sort

const fs = require('fs');
let arr = [];
const data = fs.readFileSync('nums.txt');
arr = data.toString().split(' ');

arr = arr.map(x => x * 1);

let p = 0;
let tmp = 0;
for(let i = 0; i < arr.length - 1; i++){
    let min = arr[i];
    for(let j = i; j < arr.length; j++){
        if(min > arr[j]) {
            min = arr[j]
            p = j;
        }
    }
    tmp = arr[i];
    arr[i] = min;
    arr[p] = tmp;
}

console.log(arr);

 

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