Js实现Map对象

分享一下我老师大神的人工智能教程。零基础！通俗易懂！风趣幽默！还带黄段子！希望你也加入到我们人工智能的队伍中来！https://blog.youkuaiyun.com/jiangjunshow

               

<mce:script type="text/javascript"><!-- 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;}// --></mce:script><mce:script type="text/javascript"><!-- var map = new Map(); map.put("re","redhacker"); map.put("do","douguoqiang"); map.put("gq","dougq"); alert("map的大小为：" + map.size()) alert("key为re的map中存储的对象为：" + map.get("re")); map.remove("re"); alert("移除key为re的对象后，获取key为re的map中存储的对象为：" + map.get("re")); alert("map移除一个元素后的大小为：" + map.size()); alert("map是否是一个空map:" + map.isEmpty());// --></mce:script>

           

分享一下我老师大神的人工智能教程。零基础！通俗易懂！风趣幽默！还带黄段子！希望你也加入到我们人工智能的队伍中来！https://blog.youkuaiyun.com/jiangjunshow