使用 ramda 获取列表中最大的项目

Question

I am trying to return the largest element in a list page :

page = [1,2,3];
R.max(page); // returns a function.
R.max(-Infinity, page); // seems correct but doesn't work as expected.

Answer 1

I don't have the ramda package installed, so this is untested, but from the documentation max() only takes two arguments, so you would have to reduce() your array upon it:

var page = [1, 2, 3],
    result = R.reduce(R.max, -Infinity, page);
// 'result' should be 3.

Answer 2

Use the apply function: https://ramdajs.com/0.22.1/docs/#apply

const page = [1, 2, 3];
R.apply(Math.max, page); //=> 3