本文共 4710 字,大约阅读时间需要 15 分钟。
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- function Map() {
- this.elements = new Array();
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- this.size = function() {
- return this.elements.length;
- }
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- this.isEmpty = function() {
- return(this.elements.length < 1);
- }
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- this.clear = function() {
- this.elements = new Array();
- }
-
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- this.put = function(_key, _value) {
- this.elements.push( {
- key : _key,
- value : _value
- });
- }
-
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- this.remove = function(_key) {
- var bln = false;
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].key == _key) {
- this.elements.splice(i, 1);
- return true;
- }
- }
- } catch(e) {
- bln = false;
- }
- return bln;
- }
-
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- this.get = function(_key) {
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].key == _key) {
- return this.elements[i].value;
- }
- }
- } catch(e) {
- return null;
- }
- }
-
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- this.element = function(_index) {
- if(_index < 0 || _index >= this.elements.length) {
- return null;
- }
- return this.elements[_index];
- }
-
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- this.containsKey = function(_key) {
- var bln = false;
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].key == _key) {
- bln = true;
- }
- }
- } catch(e) {
- bln = false;
- }
- return bln;
- }
-
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- this.containsValue = function(_value) {
- var bln = false;
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].value == _value) {
- bln = true;
- }
- }
- } catch(e) {
- bln = false;
- }
- return bln;
- }
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- this.values = function() {
- var arr = new Array();
- for(i = 0; i < this.elements.length; i++) {
- arr.push(this.elements[i].value);
- }
- return arr;
- }
-
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- this.keys = function() {
- var arr = new Array();
- for(i = 0; i < this.elements.length; i++) {
- arr.push(this.elements[i].key);
- }
- return arr;
- }
- }
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- function Map() {
- this.elements = new Array();
-
-
- this.size = function() {
- return this.elements.length;
- }
-
-
- this.isEmpty = function() {
- return(this.elements.length < 1);
- }
-
-
- this.clear = function() {
- this.elements = new Array();
- }
-
-
- this.put = function(_key, _value) {
- this.elements.push( {
- key : _key,
- value : _value
- });
- }
-
-
- this.remove = function(_key) {
- var bln = false;
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].key == _key) {
- this.elements.splice(i, 1);
- return true;
- }
- }
- } catch(e) {
- bln = false;
- }
- return bln;
- }
-
-
- this.get = function(_key) {
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].key == _key) {
- return this.elements[i].value;
- }
- }
- } catch(e) {
- return null;
- }
- }
-
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- this.element = function(_index) {
- if(_index < 0 || _index >= this.elements.length) {
- return null;
- }
- return this.elements[_index];
- }
-
-
- this.containsKey = function(_key) {
- var bln = false;
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].key == _key) {
- bln = true;
- }
- }
- } catch(e) {
- bln = false;
- }
- return bln;
- }
-
-
- this.containsValue = function(_value) {
- var bln = false;
- try{
- for(i = 0; i < this.elements.length; i++) {
- if(this.elements[i].value == _value) {
- bln = true;
- }
- }
- } catch(e) {
- bln = false;
- }
- return bln;
- }
-
-
- this.values = function() {
- var arr = new Array();
- for(i = 0; i < this.elements.length; i++) {
- arr.push(this.elements[i].value);
- }
- return arr;
- }
-
-
- this.keys = function() {
- var arr = new Array();
- for(i = 0; i < this.elements.length; i++) {
- arr.push(this.elements[i].key);
- }
- return arr;
- }
- }
转载于:https://www.cnblogs.com/zfzf1/p/6715782.html