代码
提交代码
<div>
<div class="odd">1</div>
<div class="even">2</div>
<div class="odd">3</div>
<div class="even">4</div>
<div class="odd">5</div>
<div class="even">6</div>
</div>
<div id="result"></div>
<script>
var odd = document.getElementsByClassName('odd');
var res = [];
var i, len;
for (i = 0, len = odd.length; i < len; i++) {
res.push(odd[i].innerText);
}
var resultElement = document.getElementById('result');
resultElement.innerHTML = '所有奇数：<br>' + res.join('<br>');
</script>
运行结果