< DOCTYPE html PUBLIC -WCDTD XHTML StrictEN httpwwwworgTRxhtmlDTDxhtml-strictdtd> Abstract源代碼

var Abstract = new Object();

代碼解析及其使用方法

Abstract（抽象類(lèi)）是個(gè)空類(lèi)，沒(méi)有任何成員。

Object.extend源代碼

Object.extend = function(destination, source) {

??for (var property in source) {

????destination[property] = source[property];

??}

??return destination;

}

Object.extend(Object, {

??inspect: function(object) {

????try {

??????if (object === undefined) return 'undefined';

??????if (object === null) return 'null';

??????return object.inspect ? object.inspect() : object.toString();

????} catch (e) {

??????if (e instanceof RangeError) return '...';

??????throw e;

????}

??},

??toJSON: function(object) {

????var type = typeof object;

????switch(type) {

??????case 'undefined':

??????case 'function':

??????case 'unknown': return;

??????case 'boolean': return object.toString();

????}

????if (object === null) return 'null';

????if (object.toJSON) return object.toJSON();

????if (object.ownerDocument === document) return;

????var results = [];

????for (var property in object) {

??????var value = Object.toJSON(object[property]);

??????if (value !== undefined)

????????results.push(property.toJSON() + ': ' + value);

????}

????return '{' + results.join(', ') + '}';

??},

??keys: function(object) {

????var keys = [];

????for (var property in object)

??????keys.push(property);

????return keys;

??},

??values: function(object) {

????var values = [];

????for (var property in object)

??????values.push(object[property]);

????return values;

??},

??clone: function(object) {

????return Object.extend({}, object);

??}

});

#javascript/ajax專(zhuān)欄

總結(jié)

以上是生活随笔為你收集整理的Prototype1.5.1源代码解读分析-5的全部?jī)?nèi)容，希望文章能夠幫你解決所遇到的問(wèn)題。

如果覺(jué)得生活随笔網(wǎng)站內(nèi)容還不錯(cuò)，歡迎將生活随笔推薦給好友。