学习笔记-把json字符串转化为json对象的方法

<script type="text/javascript">
	var jsonStr = "{'person':{'name':'yq','age':21,'sex':'female'}}";
	/*把json格式的字符串转化为json对象*/
	var jsonObject = eval("(" + jsonStr + ")");
	
	alert(jsonObject.person.name);//yq
</script><script type="text/javascript">
	var jsonStr =