How can I make a function that happen depends on chances......

Question

how can I make a function that will only happens with a chance of 50 %

Answer 1

Use Math.floor() and Math.random() to generate a 0 or 1, and if it's 0, run the code.

var num = Math.floor(Math.random() * 2)
if (num === 0)
{
//your code
}
//else nothing happens when the function is called