本篇文章只要是对js中哈希表的几种用法进行了总结介绍，需要的朋友可以过来参考下，希望对大家有所帮助
1、
<html> <head> <script type="text/javascript"> // by Go_Rush(脚本之家) from http://www.jb51.net/ var hash={ "百度" :"http://www.baidu.com/", "Google" :"http://www.google.com/", "微软" :"http://www.microsoft.com/", "脚本之家" :"http://www.jb51.net/" }; function showUrl(element){ //使用哈稀对象 alert(hash[element.value]) } </script> </head> <body> <form> <input type="text" id="txt" /> <input type="button" value="测试" onclick="showUrl(document.getElementById('txt'));"/> </form> </body> </html>
2、
1 <script> 2 var ht = 3 { 4 "c1" : {"UserID":"userc1","UserName":"usercc1"}, 5 "c2" : {"UserID":"userc2","UserName":"usercc2"}, 6 "c3" : {"UserID":"userc3","UserName":"usercc3"} 7 }; 8 9 alert(ht["c1"]["UserID"]); 10 alert(ht["c2"]["UserID"]); 11 </script>
3、
<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>
for/in循环是遍历对象属性的方法。如
var obj = { name : 'obj1', age : 20, height : '176cm' } var str = ''; for(var key in obj) { str += key + ':' + obj[key] + ' '; } alert(str);
输出为：name:obj1
age:20
height:176cm