【children_index】
<html>
<head>
<script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
<script type="text/javascript">
$(document).ready(function(){
var words = $("b:first").text().split(" ");
console.log(words);
});
</script>
</head>
<body>
<body>
<b>Hello asdf asdf</b>
</body>
</html>
