[DOM_Document] JS - forms 속성 - 폼요소개수

document.forms 예제

 

<form>

site: <input type="text" name="site" value="홈짱닷컴"><br>

host: <input type="text" name="host" value="Homzzang.com">

</form>

<button onclick="homzzang()">클릭</button>

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

<script>

function homzzang() {

  var x = document.forms.length;

  document.getElementById("demo").innerHTML = x;

}

</script>

 

결과보기

결과값: 1