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Aug 20th, 2019
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  1. // parameter หลายตัว ////////////////////////////
  2. let addSync = function (a, b) {
  3. return a + b;
  4. }
  5.  
  6. let addSync = (a, b) => {return a + b;}
  7.  
  8. let addSync = (a, b) => a + b;
  9.  
  10. // parameter ตัวเดียว ///////////////////////////
  11. let powerOfTwo = function(a) {
  12. return a* a;
  13. }
  14.  
  15. let powerOftwo = a => (
  16. a * a
  17. );
  18.  
  19. let powerOfTwo = a => a * a;
  20.  
  21. // ใช้กับการ loop ใน list ///////////////////////////
  22. list.forEach(function(item) {
  23. console.log(item);
  24. });
  25.  
  26. list.forEach(item => console.log(item));
  27.  
  28. // return Object ///////////////////////////
  29. let getEmployee = function () {
  30. return {
  31. "id" : 1,
  32. "name" : "TheUncle"
  33. };
  34. }
  35.  
  36. let getEmployee = () => ({"id" : 1, "name" : "TheUncle"});
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