Mar 30, 2020

Summary of several usage of hash table in js

<html>
<head>
<script type="text/javascript">
// by Go_Rush( The home of the script )  from //www.jb51.net/
var hash={
    " baidu "            :"http://www.baidu.com/",
    "Google"        :"http://www.google.com/",
    " Microsoft "            :"http://www.microsoft.com/",
    " The home of the script "    :"//www.jb51.net/"
};
function showUrl(element){    //Use hash objects
    alert(hash[element.value])
}
</script>
</head>
<body>
<form>
<input type="text" id="txt" />
<input type="button" value=" test " onclick="showUrl(document.getElementById('txt'));"/>
</form>
</body>
</html>

<script>
  var   ht   =  
  {  
      "c1"   :   {"UserID":"userc1","UserName":"usercc1"},  
      "c2"   :  {"UserID":"userc2","UserName":"usercc2"},  
      "c3"   :   {"UserID":"userc3","UserName":"usercc3"}
  };  

  alert(ht["c1"]["UserID"]);  
  alert(ht["c2"]["UserID"]);
</script>

<script>
  var Arr =new Array({'s':'sss','aa':'www'},{'s1':'wwww','aa1':'ssss'});
   alert(Arr[0].s);
   alert(Arr[0].aa);
   alert(Arr[1].s1);
   alert(Arr[1].aa1);
</script>