得到节点值的两种方法
方法一:
<p id="tt">
dddd
</p>
<script language="javascript">
current_element=document.getElementById("tt");
alert(current_element.firstChild.data)
</script>
方法二:
<p id="tt">
dddd
</p>
<script language="javascript">
current_element=document.getElementById("tt");
alert(current_element.firstChild.nodeValue)
</script>
<p id="tt">
dddd
</p>
<script language="javascript">
current_element=document.getElementById("tt");
alert(current_element.firstChild.data)
</script>
方法二:
<p id="tt">
dddd
</p>
<script language="javascript">
current_element=document.getElementById("tt");
alert(current_element.firstChild.nodeValue)
</script>
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