js list sorts

sort.js

let selectionSort = (t) => {
	for (let i = 0; i < t.length; i++) {
		let min = i;
		for (let j = i + 1; j < t.length; j++) {
			if(t[j] < t[min])
				min = j;
        }
		
		[t[min], t[i]] = [t[i], t[min]];
	}
	
	return t;
};

let insertionSort = (a) => {
	for (let i = 0; i < a.length; i++)
		for (let j = i; j > 0 && a[j] < a[j - 1]; j--)
			[a[j - 1], a[j]] = [a[j], a[j - 1]];

	return a;
};

let fasterInsertionSort = (a) => {
	for(let i = 1, j; i < a.length; i++) {
		let j;
		let tmp = a[i];
		for (j = i; j > 0 && tmp < a[j - 1]; j--)
			a[j] = a[j - 1];
		a[j] = tmp;
	}
	
	return a;
};