如何统计子节点中出现最多的节点类型及其百分比?
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
function main_node_percent(){
var percent;
var tag_name;
//如何统计.father中最多出现的tagname (这里是div)出现在.father中次数的百分比?
......
$("#tag_name").html(tag_name);
$("#percent").html(percent);
}
</script>
<div class="father">
<div>I</div>
<p>love</p>
<span>you</span>
<div>forever</div>
<a href="#">hello</a>
<br>
<a href="#">world</a>
<div>boy</div>
</div><div>
<div>这里显示结果:</div>
出现最多:<span id="tag_name"></span>
出现概率:<span id="percent"></span>
</div>
<button onclick="main_node_percent()">统计</button>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
function main_node_percent(){
var percent;
var tag_name;
//如何统计.father中最多出现的tagname (这里是div)出现在.father中次数的百分比?
......
$("#tag_name").html(tag_name);
$("#percent").html(percent);
}
</script>
<div class="father">
<div>I</div>
<p>love</p>
<span>you</span>
<div>forever</div>
<a href="#">hello</a>
<br>
<a href="#">world</a>
<div>boy</div>
</div><div>
<div>这里显示结果:</div>
出现最多:<span id="tag_name"></span>
出现概率:<span id="percent"></span>
</div>
<button onclick="main_node_percent()">统计</button>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
function main_node_percent(){
var percent;
var tag_name;
//如何统计.father中最多出现的tagname (这里是div)出现在.father中次数的百分比?
var counts = {};
var tags = [];
var count = 0;
$(".father *").each(function() {
count++;
if (counts[this.tagName])
counts[this.tagName]++;
else {
counts[this.tagName] = 1;
tags.push(this.tagName);
}
});
tags.sort(function(a, b) {
return counts[b] - counts[a];
});
tag_name = tags[0];
percent = counts[tags[0]] / count * 100 + "%";
$("#tag_name").html(tag_name);
$("#percent").html(percent);
}
</script>
<div class="father">
<div>I</div>
<p>love</p>
<span>you</span>
<div>forever</div>
<a href="#">hello</a>
<br>
<a href="#">world</a>
<div>boy</div>
</div><div>
<div>这里显示结果:</div>
出现最多:<span id="tag_name"></span>
出现概率:<span id="percent"></span>
</div>
<button onclick="main_node_percent()">统计</button>