js innerText方法
node2:/var/www/html/js#cat a17.html
<p>测试1</p>
<p>测试2</p>
<p>测试3</p>
<p>ggg</p>
<script type="text/javascript" src="jquery-2.2.2.min.js"></script>
<script type="text/javascript" src="a17.js"></script>
node2:/var/www/html/js#
node2:/var/www/html/js#cat a17.js
var items= document.getElementsByTagName("p");
console.log(items);
for (var i=0; i<items.length;i++){
console.log(items[i])
console.log(items[i].innerText)
};