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Mar 28th, 2017
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  1. var triangle = function(num){
  2. var str, i, j;
  3. for(i = 0; i <= num; i++){
  4. str = '';
  5. for(j = 0; j < i; j++){
  6. str += '*';
  7. if(j === i - 1){
  8. console.log(str);
  9. }
  10. }
  11. }
  12. };
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