myVariable && (myVariable - 35)[100, 0, null, '', true, false, 'gdfsg'].map(n => [n ? n - 35 : n, n && (n - 35)]);
/*
0:(2) [65, 65]
1:(2) [0, 0]
2:(2) [null, null]
3:(2) ["", ""]
4:(2) [-34, -34]
5:(2) [false, false]
6:(2) [NaN, NaN]
*/(n => n && (n - 35))(myVariable) 
