javascript对象与数组与json理解过程

来源：互联网发布：maczip解压软件下载编辑：程序博客网时间：2024/06/05 17:19

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
</head>

<body>
<p>22</p>
<script type="text/javascript">
       var arr=[306, 307, 303, 302, 308, 301]
       var brr=["央广网教育", "央广三农", "猎律网", "央视农","高级", "央广网三农"]
       /*var json = {};
       for(var i = 0; i < arr.length; i++){
           if(json[arr[i]]){
               json[arr[i]] += ' '+brr[i];
           }else{
               json[arr[i]] = brr[i];
           }
       }*/
       var json = {};
       for(var i = 0; i < arr.length; i++){
           json[arr[i]] = brr[i];
       }
       console.log(json);


       var jko=[1,2,3,4];
       console.log(jko);
       for(var i = 0; i < jko.length; i++){
           console.log(jko[i]);
       }


       var jkovv={aa:11,bb:22,cc:33}
       console.log(jkovv);
       var jjh=[jkovv,1,2];
       console.log(jjh);





       var aQA = [
           {
               "name":"黄",
               "age":23
           },
           {
               "name":"李",
               "age":22
           }
       ]
       console.log(aQA);
       for(var i = 0; i < aQA.length; i++){
           console.log('编号'+[i+1]+'姓名'+aQA[i]['name']+'年龄'+aQA[i]['age']);
           var para=document.createElement("div");
           var node=document.createTextNode('编号'+[i+1]+'姓名'+aQA[i]['name']+'年龄'+aQA[i]['age']);
           para.appendChild(node);
           var element=document.body;
           element.appendChild(para);
       }



   </script>
</body>
</html>

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
</head>

<body>
<script>
/*var aa=['链接1','链接2','链接3'];
var zaa=[11,22,33];
for(var i = 0; i < aa.length; i++){
   var para=document.createElement("a");
   para.setAttribute("href",zaa[i]);
   var node=document.createTextNode(aa[i]);
   para.appendChild(node);
   var element=document.body;
   element.appendChild(para);
}
console.log(aa);
*/

/*var aa=['name','age'];
var zaa=['黄',22];
var jsonk=[];
var yyu={}
for(var i = 0; i < aa.length; i++){
   yyu[aa[i]]=zaa[i]
}
console.log(yyu);

for(var i = 0; i < aa.length; i++){
   jsonk.push(yyu);
}
console.log(jsonk);*/

/*var aa=['name','age'];
var zaa=[['黄',22],['里',92],['王',212]];
var jsonk=[];
var yyu={}

for(var i = 0; i < zaa.length; i++){
   for(var j = 0; j < aa.length; j++){
       yyu[aa[j]]=zaa[i][j];
   }
   jsonk.push(yyu);
}
console.log(jsonk);*/

/*var arr = new Array();
       arr.push({
           age:23,
           name:"黄"
       });
       arr.push({
           age:22,
           name:"李"
       });
       var json = {};
       for(var i = 0; i < arr.length; i++){
           json[i] = arr[i];
       }

console.log(json);*/

//
var arr = new Array();
       arr.push({
           age:23,
           name:"黄"
       });
       arr.push({
           age:22,
           name:"李"
       });
       var json = [];
       for(var i = 0; i < arr.length; i++){
           json[i] = arr[i];
       }
console.log(json);



/*var jjk=[{a:1,b:2}]
console.log(jjk);*/

/*for(var c = 0; c < zaa.length; c++){
   jsonk.push(yyu);
}*/
/*console.log(yyu);

for(var i = 0; i < aa.length; i++){
   jsonk.push(yyu);
}
console.log(jsonk);*/

/*var aa=[{lkk:'链接1',llk:11},{lkk:'链接2',llk:22},{lkk:'链接3',llk:33}];
for(var i = 0; i < aa.length; i++){
   var para=document.createElement("a");
   para.setAttribute("href",aa[i].llk);
   var node=document.createTextNode(aa[i].lkk);
   para.appendChild(node);
   var element=document.body;
   element.appendChild(para);
}
console.log(aa);
*/

/*var aa=[{'lkk':'链接1','llk':11},{'lkk':'链接2','llk':22},{'lkk':'链接3','llk':33}];
for(var i = 0; i < aa.length; i++){
   var para=document.createElement("a");
   para.setAttribute("href",aa[i]['llk']);
   var node=document.createTextNode(aa[i]['lkk']);
   para.appendChild(node);
   var element=document.body;
   element.appendChild(para);
}
console.log(aa);
*/

</script>
</body>
</html>

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