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
javascript中的有名函数和无名函数
javascript[js]获取url参数的代码
javascript select 之间传值效果的代码
js正则实现的密码框简单制作,还可以替换成自己想用得符号
脚本控制自适应高度的缩短问题
兼容ie和firefox版本的js反选 全选 多选框
javascript 随机数 与高级应用 附vbscript(asp) 随机数总结
不用确认即可打印的javascript代码
推荐自用 Javascript 缩图函数 (onDOMLoaded)……
用javascript实现div可编辑的常见方法
用JavaScript实现的一个IP地址输入框
用javascript取得传递参数的个数的代码
当鼠标移出灰色区域时候,菜单项怎么隐藏起来
才发现的超链接js导致网页中GIF动画停止的解决方法
javascript window.onerror事件学习新收获
javascript 如何生成不重复的随机数
超个性的导航效果
不能再简单的无闪刷新验证码原理很简单
经常用到的javascript验证函数收集
用js实现手把手教你月入万刀(转贴)

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: 75 ::
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("&"));
}