js function gets the content of className in html and removes the tag_javascript skills

Copy code The code is as follows:

<script type="text/javascript">
function queryClass(classnames){
var classobj= new Array();//Define the array
var classint=0;//Define the subscript of the array
var tags=document.getElementsByTagName("*") ;//Get all tags of HTML
for(var i in tags){//Traverse the tags
if(tags[i].nodeType==1){//Judge the node type
if (tags[i].getAttribute("class") == classnames)//Judge the ones with the same name as the required CLASS and form an array
{
return tags[i].innerHTML;

classint ;
}
}
}
}
var text=queryClass("className");//Execute queryClass to get the content of className
var result=text.replace( /<[^>] >/g,"");//Remove html tags
alert(result);
</script>