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Jul 22nd, 2018
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  1. var serial_maker = (function () {
  2. var prefix = ' ';
  3. var seq = 0;
  4.  
  5. return {
  6. set_prefix: function (p) {
  7. prefix = String(p);
  8. },
  9. set_seq: function (s) {
  10. seq = s;
  11. },
  12. gensym : function () {
  13. var result = prefix + seq;
  14. seq += 1;
  15. return result;
  16. }
  17. };
  18. });
  19.  
  20. var seqer = serial_maker();
  21. seqer.set_prefix('Q');
  22. seqer.set_seq(1000);
  23. var unique = seqer.gensym();
  24.  
  25. document.writeln(unique);
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