inrhythm test

gistfile1.js

/*
  Array One   Array Two          Result
  ["a"]        ["a"]          => True
  ["ab"]       ["ac"]         => False
  ["aa"]       ["ab"]         => False
  ["cbb"]      ["abbc"]       => True
  ["abbccdd"]  ["abbcccdd"]   => True
*/

function check(a, b){
    var c = {};
    for (var i = 0; i < a.length; i++){
        if (c[a[i]] === undefined) c[a[i]] = 1;
        else c[a[i]]++;
    };
    var d = {};
    for (var i = 0; i < b.length; i++){
        if (d[b[i]] === undefined) d[b[i]] = 1;
        else d[b[i]]++;
    };
    for (prop in c){
        if (!c.hasOwnProperty(prop)) continue;
        if (d[prop] < c[prop] || d[prop] === undefined) {
		console.log('false')
		return;	
	}
    };
    console.log('true');
}

check(['a', 'b'], ['a', 'b']);
check(['a', 'a', 'b'], ['a', 'a', 'a', 'b']);
check([], ['a', 'b']);
check(['a'], []);