html5有序列表字母编号,在HTML中编号嵌套的有序列表

这是一个适用于所有浏览器的示例。纯CSS方法可在实际的浏览器中使用(即，除IE6 / 7之外的所有内容)，而jQuery代码将覆盖不受支持的代码。它具有SSCCE的风格，您无需更改即可复制'n'paste'n'run。

SO question 2729927

$(document).ready(function() {

if ($('ol:first').css('list-style-type') != 'none') { /* For IE6/7 only. */

$('ol ol').each(function(i, ol) {

ol = $(ol);

var level1 = ol.closest('li').index() + 1;

ol.children('li').each(function(i, li) {

li = $(li);

var level2 = level1 + '.' + (li.index() + 1);

li.prepend('' + level2 + '');

});

});

}

});

html>/**/body ol { /* Won't be interpreted by IE6/7. */

list-style-type: none;

counter-reset: level1;

}

ol li:before {

content: counter(level1) ". ";

counter-increment: level1;

}

ol li ol {

list-style-type: none;

counter-reset: level2;

}

ol li ol li:before {

content: counter(level1) "." counter(level2) " ";

counter-increment: level2;

}

ol li span { /* For IE6/7. */

margin: 0 5px 0 -25px;

}

1. first
2. second
   1. second nested first element
   2. second nested second element
   3. second nested third element
3. third
4. fourth