JS 实现Map
浏览数：34 /
时间：2015年06月09日
function Map() {
this.arr = new Array();
var struct = function(key, value) {
this.key = key;
this.value = value;
};
this.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);
};
this.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;
};
this.values=function(){
var value=[]
for (var i = 0; i < this.arr.length; i++) {
value.push(this.arr[i].value);
}
return value.join(",");
};
this.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);
}
};
this.size = function() {
return this.arr.length;
};
this.isEmpty = function() {
return this.arr.length <= 0;
};
}
var map = new Map();
map.put("a","aaaaaaaaaaaaaaa");
map.put("b","bbbbbbbbbbb");
map.put("c","cccccccccccccc");
map.remove("b");
console.info(map.values());
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