Javascript Nan
let value = 0 / 0; // undefined
if (isNaN(value)) value = 0;
Lucas Juan
let value = 0 / 0; // undefined
if (isNaN(value)) value = 0;// NaN: Not a Number in javascript
console.log(parseInt('1.23')); // 1.23
console.log(parseInt('something')); // NaNNaN = Not a Numberconst bird = "crow"
const colour = "black"
const total = bird + colour
console.log(total)
//NaN = Not a numbervar val = Number.NaN;