常用笔记：Web前端

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<meta charset="UTF-8"> 
<script type="text/javascript" src="jquery-1.3.1.js"></script>
<meta http-equiv ="refresh" content ="60"> #定时刷新页面  
body{-webkit-user-select:none;} #CSS控制页面文字不能复制

function ajaxGet(){
    $.ajax({
        type:"GET",
        url:"test.php?key=123",
        success:function(data){
            alert(data);
        }
    });
}
function ajaxPost(){
    $.ajax({
        type:"POST",
        url:"test.php",
        data:‘{"id":1,"name":"abc"}‘,
        contentType:"application/json;charset=utf-8",
        success:function(data){
            alert(data);
        }
    })
}

创建json对象语法如下：
var json = {};
json.name = "name";
json.cars = [];
json.obj = {};
转换为字符串:
json_str = JSON.stringify(json);