当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 分享别人写的一个小型js框架

Javascript
颜色变换 像字符逐字输入的欢迎词
CSS 伪类实现的鼠标滑动图片链接
百度用到的Js日历 大家可以看看
CSS 渐变背景的6个演示代码
Jquery 弹出层插件实现代码
Javascript 模式实例 观察者模式
[原创]javascript 指定区域内图片等比例缩放实现代码 脚本之家整合版
javascript window对象属性整理
JavaScript弹簧振子超简洁版 完全符合能量守恒,胡克定理
WEB页子窗口(showModalDialog和showModelessDialog)使用说明
用JavaScript实现 铁甲无敌奖门人 “开口中”猜数游戏
理解 JavaScript 预解析
理解JavaScript变量作用域更轻松
JavaScript的变量作用域深入理解
javascript写的一个链表实现代码
Js 打字效果 逐一出现的文字
javascript 走马灯效果的链接提示
CSS 动态链接提示
JavaScript 事件的一些重要说明
JavaScript 三种不同位置代码的写法

Javascript 中的 分享别人写的一个小型js框架


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 105 ::
收藏到网摘: n/a

主要是集成了常用的扩展,包括Dom与String、Array、StringBuffer、NameSpace等,当然还少不了Ajax。体积约8k。因为严格控制体积,所以功能有限。如果只要Ajax部分,就1k而已。
这个小框架已经应用到公司的项目,并开始逐步在前端展示页面上接替prototype.js。以后将围绕这个框架做一些应用。
复制代码 代码如下:

/*
* My JavaScript Framework
* Version : 1.0 beta
* Author : misshjn
* Email : [email protected]
*/
function NameSpace(){};
function StringBuffer(){this.data = []};
var Method = {
Version : "1.0 beta",
Element : function(){
this.version = Method.Version;
this.hide = function(){this.style.display="none"; return this};
this.show = function(){this.style.display=""; return this};
this.getStyle = function(s){
var value = this.style[s.camelize()];
if (!value){
if (this.currentStyle) {
value = this.currentStyle[s.camelize()];
}else if (document.defaultView && document.defaultView.getComputedStyle) {
var css = document.defaultView.getComputedStyle(this, null);
value = css ? css.getPropertyValue(s) : null;
}
}
return value;
};
this.setStyle = function(s){
var sList = s.split(";");
for (var i=0,j; j=sList[i]; i++){
var k = j.split(":");
this.style[k[0].trim().camelize()] = k[1].trim();
}
return this;
};
this.toggle = function(){this.getStyle("display")=="none"?this.setStyle("display:"):this.setStyle("display:none"); return this};
this.hasClassName = function(c){return this.className.hasSubString(c," ")?true:false;};
this.addClassName = function(c){if(!this.hasClassName(c)){this.className+=" "+c};return this};
this.removeClassName = function(c){if(this.hasClassName(c)){this.className = (" "+this.className+" ").replace(" "+c+" "," ").trim(); return this}};
this.getElementsByClassName = function(c){return this.getElementsByAttribute("className",c)};
this.getElementsByAttribute = function(n,v){ //name,value;
var elems = this.getElementsByTagName("*");
var elemList = [];
for (var i=0,j; j=elems[i]; i++){
var att = j[n] || j.getAttribute(n);
if (att==v){
elemList.push(j);
}
}
return elemList;
};
this.parentIndex = function(p){
if (this==p){return 0}
for (var i=0,n=this; n=n.parentNode; i++){
if(n==p){return i;}
if(n==document.documentElement) return -1;
}
}
this.nextElement = function(){
var n = this;
for (var i=0,n; n = n.nextSibling; i++){
if(n.nodeType==1) return $(n);
}
return null;
};
this.previousElement = function(){
var n = this;
for (var i=0,n; n = n.previousSibling; i++){
if(n.nodeType==1) return $(n);
}
return null;
};
this.moveAhead = function(){
if (this.previousElement()){
this.parentNode.insertBefore(this,this.previousElement());
}
return this;
};
this.moveBack = function(){
var n = this.nextElement();
if (n){
this.parentNode.removeChild(n);
this.parentNode.insertBefore(n,this);
}
return this;
};
},
Array : function(){
this.indexOf = function(){
for (i=0; i<this.length; i++){
if (this[i]==arguments[0])
return i;
}
return -1;
};
this.lastIndexOf = function(){
for (i=this.length-1; i>=0; i--){
if (this[i]==arguments[0])
return i;
}
return -1;
};
this.each = function(fn){
for (var i=0,len=this.length; i<len; i++){
fn(this[i]);
}
return this;
};
},
String : function(){
this.trim = function(){
var _re,_argument = arguments[0] || " ";
typeof(_argument)=="string"?(_argument == " "?_re = /(^\s*)|(\s*$)/g : _re = new RegExp("(^"+_argument+"*)|("+_argument+"*$)","g")) : _re = _argument;
return this.replace(_re,"");
};
this.ltrim = function(){
var _re, _argument = arguments[0] || " ";
typeof(_argument)=="string"?(_argument == " "?_re = /(^\s*)/g : _re = new RegExp("(^"+_argument+"*)","g")) : _re = _argument;
return this.replace(_re,"");
};
this.rtrim = function(){
var _re, _argument = arguments[0] || " ";
typeof(_argument)=="string"?(_argument == " "?_re = /(\s*$)/g : _re = new RegExp("("+_argument+"*$)","g")) : _re = _argument;
return this.replace(_re,"");
};
this.concat = function(){
var s = new StringBuffer();
s.append(this);
for (var i=0,j; j=arguments[i]; i++){
s.append(typeof j=="object" ? j.join("") : j);
}
return s.toString();
};
this.stripTags = function(){
return this.replace(/<\/?[^>]+>/gi, '');
};
this.cint = function(){
return this.replace(/\D/g,"")-0;
};
this.camelize = function(){
return this.replace(/(-\S)/g,function($1){return $1.toUpperCase().substring(1,2)})
};
this.hasSubString = function(s,f){
if(!f) f="";
var v = (f+this+f).indexOf(f+s+f);
return v==-1?false:v;
};
this.toXMLString = function(){
var arr = arguments[0].split("&");
var str = new StringBuffer();
for (var i=0,len=arr.length; i<len; i++){
var item = arr[i].split("=");
str.append("<"+item[0]+"><![CDATA["+item[1]+"]]></"+item[0]+">");
}
return str.toString();
};
this.URLEncode = function(){ return encodeURIComponent(this)};
this.URLDecode = function(){ return decodeURIComponent(this)};
},
StringBuffer : function(){
this.append = function(){this.data.push(arguments[0]);return this};
this.toString = function(){return this.data.join(arguments[0]||"")};
this.length = function(){return this.data.length};
},
NameSpace : function(){
this.copyChild = this.appendChild = function(ns){
for (var key in ns){
this[key] = ns[key];
}
return this;
};
}
};
Method.Array.apply(Array.prototype);
Method.String.apply(String.prototype);
Method.StringBuffer.apply(StringBuffer.prototype);
Method.NameSpace.apply(NameSpace.prototype);
function $(){
var elem = typeof(arguments[0])=="string"?document.getElementById(arguments[0]):arguments[0];
if (!elem){return null}
if (elem["version"]){return elem}
if ( arguments[1] == undefined || arguments[1]==true ){Method.Element.apply(elem);}
return elem;
};
$(document);
var Ajax={
xmlhttp:function (){
try{
return new ActiveXObject('Msxml2.XMLHTTP');
}catch(e){
try{
return new ActiveXObject('Microsoft.XMLHTTP');
}catch(e){
return new XMLHttpRequest();
}
}
}
};
Ajax.Request=function (){
if(arguments.length<2)return ;
var para = {asynchronous:true,method:"GET",parameters:""};
for (var key in arguments[1]){
para[key] = arguments[1][key];
}
var _x=Ajax.xmlhttp();
var _url=arguments[0];
if(para["parameters"].length>0) para["parameters"]+='&_=';
if(para["method"].toUpperCase()=="GET") _url+=(_url.match(/\?/)?'&':'?')+para["parameters"];
_x.open(para["method"].toUpperCase(),_url,para["asynchronous"]);
_x.onreadystatechange=function (){
if(_x.readyState==4){
if(_x.status==200)
para["onComplete"]?para["onComplete"](_x):"";
else{
para["onError"]?para["onError"](_x):"";
}
}
};
if(para["method"].toUpperCase()=="POST")_x.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
for (var ReqHeader in para["setRequestHeader"]){
_x.setRequestHeader(ReqHeader,para["setRequestHeader"][ReqHeader]);
}
_x.send(para["method"].toUpperCase()=="POST"?(para["postBody"]?para["postBody"]:para["parameters"]):null);
};
var Cookies = {
get : function(n){
var dc = "; "+document.cookie+"; ";
var coo = dc.indexOf("; "+n+"=");
if (coo!=-1){
var s = dc.substring(coo+n.length+3,dc.length);
return unescape(s.substring(0, s.indexOf("; ")));
}else{
return null;
}
},
set : function(name,value,expires){
var expDays = expires*24*60*60*1000;
var expDate = new Date();
expDate.setTime(expDate.getTime()+expDays);
var expString = expires ? "; expires="+expDate.toGMTString() : "";
var pathString = ";path=/";
document.cookie = name + "=" + escape(value) + expString + pathString;
},
del : function(n){
var exp = new Date();
exp.setTime(exp.getTime() - 1);
var cval=this.get(n);
if(cval!=null) document.cookie= n + "="+cval+";expires="+exp.toGMTString();
}
}

function $A(list){
var arr = [];
for (var i=0,len=list.length; i<len; i++){
arr[i] = list[i];
}
return arr;
}
function $D(str){return str.URLDecode();}
function $E(str){return str.URLEncode();}
function $V(id){return $(id).value}
function request(paras){
var url = location.href;
var paraString = "&"+url.substring(url.indexOf("?")+1,url.length)+"&";
if (paraString.indexOf("&"+paras+"=")==-1){return ""};
paraString = paraString.substring(paraString.indexOf("&"+paras+"=")+paras.length+2,paraString.length);
return paraString.substring(0,paraString.indexOf("&"));
}