[Conversion] JS - function(){} 타입변환 - (숫자: NaN , 문자열: "function(){}" , 참거짓: true)

function(){} 타입변환

 

<p id="demo"></p>

<script>

var x = function(){};

document.getElementById("demo").innerHTML =

"Number : " + Number(x) + "<br>" +

"String : " + String(x) + "<br>" +

"Boolean: " + Boolean(x);

</script>

 

결과보기

결과값:

Number : NaN

String : function(){}

Boolean: true