Json

来源：互联网发布：手机声音剪辑软件编辑：程序博客网时间：2024/06/05 12:06

<!doctype html><html lang="en"><head><meta charset="UTF-8"><title>Document</title></head><body><p>First Name: <span id="fname"> </span></p><SCRIPT TYPE="text/javascript">var employees = [{"firstname":"Bill","LastName":"Gates"},{"firstname":"George","LastName":"Bush"},{"firstname":"Thomas","LastName":"Carter"}];document.getElementById('fname').innerHTML=employees[0].LastName</SCRIPT></body></html>

效果图

Json例题1:JSON.parse();

<!doctype html><html lang="en"><head><meta charset="UTF-8"><title>Document</title></head><body><SCRIPT TYPE="text/javascript">var arr = '{"name":"lisi","age":"24","money":"24K"}';    var arrobject = JSON.parse(arr,null);    alert(arrobject.name);</SCRIPT></body></html>

效果图

Json例题2:JSON.parse();

<!doctype html><html lang="en"><head><meta charset="UTF-8"><title>Document</title></head><body><SCRIPT TYPE="text/javascript">var arr = '{"status":"1","data":[{"name":"lisi","age":"24","money":"24K"},{"name":"zhaowu","age":"28","money":"25K"}]}';    var arrobject = JSON.parse(arr,null);    alert("name:" + arrobject.data[1].name + ",stauts:" + arrobject.status);</SCRIPT></body></html>

效果图

json：存在json数组和json实体

json实体：{键值对}

json数组：[{},{},{}]

eval:

var json对象=eval('('json数据')');

Json例题3:eval()函数例子

<!doctype html><html lang="en"><head><meta charset="UTF-8"><title>Document</title></head><body><script type="text/javascript">var str = "{name:'张三',age:'12',sex:'男'}";    var json = eval('(' + str + ')');    alert(json.name);</script></body></html>

效果图:

JSON.parse() eval() 关系图

0 0