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Apr 21st, 2019
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  1. // Conversion of Boolean and Numbers
  2. const isTrue = !0;
  3. const isFalse = !1;
  4. const alsoFalse = !!0;
  5. console.log(isTrue); // Result: true
  6. console.log(typeof true); // Result: "boolean"
  7.  
  8. // Conversion to String
  9. const val = 1 + "";
  10. console.log(val); // Result: "1"
  11. console.log(typeof val); // Result: "string"
  12.  
  13. // Conversion to Number
  14. let int = "15";
  15. int = +int;
  16. console.log(int); // Result: 15
  17. console.log(typeof int); //Result: "number"
  18.  
  19. const int = ~~"15"
  20. console.log(int); // Result: 15
  21. console.log(typeof int); // Result: "number"
  22.  
  23. // Conversion from Booleans to Number
  24. console.log(+true); // Return: 1
  25. console.log(+false); // Return: 0
  26.  
  27. // Calculating Powers
  28. console.log(2 ** 3); // Result: 8
  29.  
  30. // Conversion from Float to Integer
  31. console.log(23.9 | 0); // Result: 23
  32. console.log(-23.9 | 0); // Result: -23
  33.  
  34. // For removing Final Digits
  35. console.log(1553 / 10 | 0) // Result: 155
  36. console.log(1553 / 100 | 0) // Result: 15
  37. console.log(1553 / 1000 | 0) // Result: 1
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