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js创建map

时间:2014-10-09 01:13:07      阅读:347      评论:0      收藏:0      [点我收藏+]

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function Map() {
var struct = function(key, value) {
this.key = key;
this.value = value;
}

var put = function(key, value){
for (var i = 0; i < this.arr.length; i++) {
if ( this.arr[i].key === key ) {
this.arr[i].value = value;
return;
}
}
this.arr[this.arr.length] = new struct(key, value);
}

var get = function(key) {
for (var i = 0; i < this.arr.length; i++) {
if ( this.arr[i].key === key ) {
return this.arr[i].value;
}
}
return null;
}

var remove = function(key) {
var v;
for (var i = 0; i < this.arr.length; i++) {
v = this.arr.pop();
if ( v.key === key ) {
continue;
}
this.arr.unshift(v);
}
}

var size = function() {
return this.arr.length;
}

var isEmpty = function() {
return this.arr.length <= 0;
}
this.arr = new Array();
this.get = get;
this.put = put;
this.remove = remove;
this.size = size;
this.isEmpty = isEmpty;
}

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>无标题文档</title>
<script src="jquery-1.7.2.js" type="text/javascript"></script>

将map封装成js引入
<script src="map.js" type="text/javascript"></script>
<script type="text/javascript">

function test(){

var map = new Map();
map.put("re","redhacker");

alert("mapValue"+ map.get("re"))

}


</script>

<body>
<form>

<input type="button" value="取map值" onclick="test();"
</form>
</body>
</html>

js创建map

标签:http   io   ar   java   for   c   on   cti   html   

原文地址:http://www.cnblogs.com/yy123/p/4011601.html

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