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Random Value From Array

  1. const modes = ['walk', 'run', 'hide', 'jump', 'dance'];
  2.  
  3. const randomMode = modes[Math.floor(modes.length * Math.random())];
  4.  
  5. console.log(randomMode);
  6.  
  7.  
  8. // turn it into a function:
  9. function randomChoice(arr) {
  10.   return arr[Math.floor(arr.length * Math.random())];
  11. }
  12.  
  13. const colors = ['red', 'green', 'blue', 'black', 'white']  ;
  14.  
  15. console.log(randomChoice(colors));
  16. console.log(randomChoice(modes));

Grab a random value from an array.

snippet.zone ~ 2021-22 /// {s/z}