You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
20 lines
440 B
20 lines
440 B
'use strict';
|
|
|
|
module.exports = function median(key) {
|
|
var length = this.items.length;
|
|
|
|
|
|
if (key === undefined) {
|
|
if (length % 2 === 0) {
|
|
return (this.items[length / 2 - 1] + this.items[length / 2]) / 2;
|
|
}
|
|
|
|
return this.items[Math.floor(length / 2)];
|
|
}
|
|
|
|
if (length % 2 === 0) {
|
|
return (this.items[length / 2 - 1][key] + this.items[length / 2][key]) / 2;
|
|
}
|
|
|
|
return this.items[Math.floor(length / 2)][key];
|
|
};
|