<meta http-equiv="content-type" content="text/html; charset=utf-8" />
....................................................................
<script type="text/javascript">
var test_table = window.document.getElementById("test_table");
var td_1 = window.document.getElementById("td_1");
var td_2 = window.document.getElementById("td_2");
var td_3 = window.document.getElementById("td_3");
var td_4 = window.document.getElementById("td_4");
var tdValue1 = td_1.firstChild.innerHTML;
var tdValue2 = td_2.firstChild.innerHTML;
var tdValue3 = td_3.firstChild.innerHTML;
var tdValue6 = td_3.lastChild.innerHTML;
var tdValue7 = td_3.childNodes[1].nodeValue;
var tdValue4 = td_4.firstChild.innerHTML;
var tdValue5 = td_4.innerHTML;
window.document.write(tdValue1 + "<br />");
window.document.write(tdValue2 + "<br />");
window.document.write(tdValue3 + "<br />");
window.document.write(tdValue4 + "<br />");
window.document.write(tdValue5 + "<br />");
window.document.write(tdValue6 + "<br />");
window.document.write(tdValue7 + "<br />");
window.document.write("<br />");
</script>
本文档通过实例展示了如何使用JavaScript来操作HTML文档对象模型(DOM),包括获取元素及读取其内容。通过不同的方法如getElementById来选择元素并进行各种操作。
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