How to random numbers in the range -0.8 to 0.8 in javascript?

Question

Could you guys show me how to generate random numbers in range of -0.8 to 0.8.

Thank you very much!

Answer 1

From Mozilla Developer Network(MDN)

function getRandomArbitrary(min, max) {
  return Math.random() * (max - min) + min;
}
var randomNumber = getRandomArbitrary(-0.8,0.8));