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  1. var a=5;
  2. var output= "";var space= "";
  3. for(let i=1;i<=a;i++){//1,2,3,4,5
  4.  
  5. 	output += "* ";
  6. 	console.log(" ".repeat(a-i),output);
  7.  
  8. }
  9.  
  10.  
  11. //length 5
  12. //    *
  13. //   * *
  14. //  * * *
  15. // * * * *
  16. //* * * * *
  17. //4 space + 1 *
  18. //3 space + 2 *
  19. //2 space + 3 *
  20. //1 space + 4 *
  21. //0 space + 5 *
Success #stdin #stdout 0.03s 16764KB
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     * 
    * * 
   * * * 
  * * * * 
 * * * * *
https://ideone.com/5G6Hvi
language:
JavaScript (SMonkey 60.2.3)
created:
13 hours ago
visibility:
public

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