javascript - How to get < span > value？

Question

There are a piece of code,but can not use <id> tag.

So,how do I get to the <span> 1 2 3 4?

<div id="test">
    <span>1</span>
    <span>2</span>
    <span>3</span>
    <span>4</span>
<div>

Answer 1

Try this

var div = document.getElementById("test");
var spans = div.getElementsByTagName("span");

for(i=0;i<spans.length;i++)
{
  alert(spans[i].innerHTML);
}