trim string (Levithan version)

gistfile1.js

function trim(text) {
  text.replace(/^\s+/, "");//.replace(/\s+$/, "");
  for (var i = text.length - 1; i >= 0; i--) {
    if (/\s/.test(text.charAt(i))) {
      text = text.substring(0, i + 1);
      break;
    }
  }
  return text;
}