RosettaCodeData/Task/Run-length-encoding/JavaScript/run-length-encoding-3.js
2023-07-01 13:44:08 -04:00

5 lines
153 B
JavaScript

function decode(encoded) {
var output = "";
encoded.forEach(function(pair){ output += new Array(1+pair[0]).join(pair[1]) })
return output;
}