Question

64

rated 0 times [ 70] [ 6] / answers: 1 / hits: 22115 / 8 Years ago, thu, september 22, 2016, 12:00:00

I've been reading through some code and noticed a function:

    randint: function(n) {

        return ~~(Math.random() * n)

    }

I know ~ means not but how does ~~ change this return statement?

Only authorized users can answer the question. Please sign in first, or register a free account.

Total Points: 556

Total Questions: 107

Total Answers: 101

Location: Croatia

Member since Fri, Sep 11, 2020

4 Years ago

aileent questions

Tue, Mar 1, 22, 00:00, 2 Years ago

Fri, Apr 16, 21, 00:00, 3 Years ago

Sun, Nov 29, 20, 00:00, 4 Years ago

Wed, Nov 11, 20, 00:00, 4 Years ago

Fri, May 8, 20, 00:00, 4 Years ago

answered 8 Years ago aubriechantalr · Accepted Answer

but how does ~~ change this return statement?

Answer: It cuts all fractional digits.

~~42.453754 -> 42