Javascript获取LI里的内容_javascript技巧

document.write("取外层ul的li信息:
");
var tree1 = document.getElementsByTagName("ul")[0].childNodes;
for (var i = 0;i < tree1.length;i++){
document.write(tree1[i].innerHTML);
}

document.write("

取内层ul的li信息:
");

var tree2 = document.getElementsByTagName("ul")[1].childNodes;
for (var i = 0;i < tree2.length;i++){
document.write(tree2[i].innerHTML);
}