boom
/
jasonObjectArray.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>jason数据的嵌套</title>
</head>
<body>
<script type="text/javascript">

  //jason数据是对象,对象值是数组
  var jasonObject = {
    "k1":["北京","南昌","上海"],
    "k2":["中国","日本","美国"],
  }
  //取出上海
  console.log(jasonObject.k1[2]);
  console.log("====================")

  //遍历对象
  for (var i=0; i< jasonObject.k1.length; i++){
    console.log(jasonObject.k1[i]);
  }
  console.log("====================")

  for (var i=0; i<jasonObject.k2.length; i++){
    console.log(jasonObject.k2[i]);
  }


</script>


</body>
</html>