count
Subhajit Sahu edited this page Dec 8, 2022
·
13 revisions
Count values which satisfy a test.
function count(x, ft)
// x: an object
// ft: test function (v, k, x)const object = require('extra-object');
var x = {a: 1, b: 1, c: 2, d: 2, e: 4};
object.count(x, v => v % 2 === 1);
// → 2
object.count(x, v => v % 2 === 0);
// → 3