prototype 예제 - 참거짓 경우
<button onclick="homzzang()">클릭</button>
<p id="demo"></p>
<script>
Boolean.prototype.hzColor = function() {
if (this.valueOf() == true) {
return "blue";
} else {
return "red";
}
};
function homzzang() {
var s = true;
document.getElementById("demo").innerHTML = s.hzColor();
}
</script>
결과보기
결과값: blue
