Sunday, April 1, 2018

Generate random number between two numbers in JavaScript




Is there a way to generate a random number in a specified range (e.g. from 1 to 6: 1, 2, 3, 4, 5, or 6) in JavaScript?


Answer



Important



The following code works only if the minimum value is 1. It does not work for minimum values other than 1.



If you wanted to get a random integer between 1 (and only 1) and 6, you would calculate:



Math.floor(Math.random() * 6) + 1  



Where:




  • 1 is the start number

  • 6 is the number of possible results (1 + start (6) - end (1))


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