javascript check if is nan
function isNaN(x) {
return x !== x;
};
isNaN(NaN);//truejavascript check if is nan
function isNaN(x) {
return x !== x;
};
isNaN(NaN);//truejavascript nan
let value = 0 / 0; // undefined
if (isNaN(value)) value = 0;nan javascript
// NaN: Not a Number in javascript
console.log(parseInt('1.23')); // 1.23
console.log(parseInt('something')); // NaNcheck if var is NaN
let b=1
let n=readline()
if(isNaN(b)){
console.log("You typed 0!")
}else{
console.log("You did not type 0!")
}Copyright © 2021 Codeinu
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