javascript nan to 0 code example

Example 1: how to replace nan with a value in js

if (isNaN(a)) a = 0;

Example 2: javascript change nan to 0

a = a || 0 //if "a" is false (NaN included), will return 0

Example 3: how to replace nan with a value in js

function getNum(val) {
   val = +val || 0
   return val;
}