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function chaining solution in Clear category for [old] Common Words by Joni_Braslaver
"use strict";
function commonWords(first, second) {
return second.split(',').
filter(word => first.includes(word))
.sort()
.join(',')
}
var assert = require('assert');
if (!global.is_checking) {
assert.equal(commonWords("hello,world", "hello,earth"), "hello", "Hello");
assert.equal(commonWords("one,two,three", "four,five,six"), "", "Too different");
assert.equal(commonWords("one,two,three", "four,five,one,two,six,three"), "one,three,two", "1 2 3");
console.log("Coding complete? Click 'Check' to review your tests and earn cool rewards!");
}
Oct. 10, 2019
