오락기/js
document.getElementsBy
문방구앞오락기
2017. 4. 17. 17:18
<ul>
<li class="marked">html</li>
<li>css</li>
<li id="active">JavaScript
<ul>
<li>JavaScript Core</li>
<li class="marked">DOM</li>
<li class="marked">BOM</li>
</ul>
</li>
</ul>
<script>
var list = document.getElementsByClassName('marked');
console.group('document');
for(var i=0; i<list.length; i++){
console.log(list[i].textContent);
}
console.groupEnd();
console.group('active');
var active = document.getElementById('active');
var list = active.getElementsByClassName('marked');
for(var i=0; i<list.length; i++){
console.log(list[i].textContent);
}
console.groupEnd();
</script>