Common javascript Functions on the AppBaseJs class library and _ js object-oriented functions written by other js Class Libraries

Source: Internet
Author: User
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AppBaseJs class library. It is written based on common functions on the Internet and other js class libraries for your convenience. The Code is as follows:


/*-----------------------------------
Web Application JavaScript Library
2009.11 janchie
------------------------------------*/

// String native object extension left and right Spaces
String. prototype. trim = function (){
Return this. replace (/(^ [\ s \ n \ t \ r] *) | ([\ s \ n \ r \ t] * $)/g ,"");
};
// Date native object extended formatting output
Date. prototype. format = function (string ){
Var self = this;
Var p = function p (s ){
Return (s. toString (). length = 1 )? "0" + s: s;
};
Return string? String. replace (/dd? D? D? | MM? M? M? | Yy? Y? Y? | Hh? | HH? | Mm? | Ss? | Tt? | Zz? Z? /G,
Function (string ){
Switch (string ){
Case "hh": return p (self. getHours () <13? Self. getHours (): (self. getHours ()-12 ));
Case "h": return self. getHours () <13? Self. getHours (): (self. getHours ()-12 );
Case "HH": return p (self. getHours ());
Case "H": return self. getHours ();
Case "mm": return p (self. getMinutes ());
Case "m": return self. getMinutes ();
Case "ss": return p (self. getSeconds ());
Case "s": return self. getSeconds ();
Case "yyyy": return self. getFullYear ();
Case "yy": return self. getFullYear (). toString (). substring (2, 4 );
Case "dddd": return self. getDayName ();
Case "ddd": return self. getDayName (true );
Case "dd": return p (self. getDate ());
Case "d": return self. getDate (). toString ();
Case "MMMM": return self. getMonthName ();
Case "MMM": return self. getMonthName (true );
Case "MM": return p (self. getMonth () + 1 ));
Case "M": return self. getMonth () + 1;
Case "t": return self. getHours () <12? Date. CultureInfo. amDesignator. substring (0, 1): Date. CultureInfo. pmDesignator. substring (0, 1 );
Case "tt": return self. getHours () <12? Date. CultureInfo. amDesignator: Date. CultureInfo. pmDesignator;
Case "zzz ":
Case "zz ":
Case "z": return "";
}
}): This. toString ();
};
/*------------------------------------*/

// Declare the object
Var App = {};
// Object Inheritance or attribute Merging
App. extend = function (obj, hash ){
This. each (hash, function (key, value ){
Obj [key] = value;
});
Return obj;
};
// Traverse
App. each = function (obj, func, context ){
Var length = obj. length, I =-1;
If (length! = Undefined ){
While (++ I <length) if (func. call (context, obj [I], I, obj, length) = false) break;
}
Else for (var key in obj) if (obj. hasOwnProperty (key) if (func. call (context, key, obj [key], obj) = false) break;
Return obj;
};
(Function (doc, win ){
Var string = Object. prototype. toString,
Quirks = doc. compatMode = "BackCompat ",
Docelem = doc.doc umentElement,
Ua = win. navigator. userAgent. toLowerCase (),
Version = (ua. match (/.(? : Rv | it | ra | ie) [\/:] ([\ d.] +)/) | []) [1],
IsChrome =/chrome/. test (ua ),
IsWebKit =/webkit/. test (ua ),
IsSafari =! IsChrome & isWebKit,
IsOpera =/opera/. test (ua ),
IsIE =/msie/. test (ua )&&! IsOpera,
IsFF =/firefox/. test (ua );
// Dom Loading
Doc. ready = function (func ){
Var isReady = false, doReady = function (){
If (isReady) return;
IsReady = true; func ();
};
If (isIE ){
If (docelem. doScroll & win. self = win. top ){
(Function (){
If (isReady) return;
Try {
Docelem. doScroll ("left ");
} Catch (error ){
SetTimeout (arguments. callee, 0 );
Return;
}
DoReady ();
})();
} Else {
If (isReady) return;
This. attachEvent ("onreadystatechange", function (){
If (doc. readyState = "complete "){
Doc. detachEvent ("onreadystatechange", arguments. callee );
DoReady ();
}
});
}
Win. attachEvent ('onload', doReady );
} Else if (isWebKit & version <525 ){
(Function (){
If (isReady) return;
If (/loaded | complete/. test (doc. readyState ))
DoReady ();
Else
SetTimeout (arguments. callee, 0 );
})();
Win. addEventListener ('load', doReady, false );
} Else {
If (! IsFF)
This. addEventListener ("DOMContentLoaded", function (){
Doc. removeEventListener ("DOMContentLoaded", arguments. callee, false );
DoReady ();
}, False );
This. addEventListener ('load', doReady, false );
}
};
App. extend (App ,{
// Type detection
IsArray: function (v) {// whether it is an array
Return string. apply (v) = "[object Array]";
},
IsFunction: function (v) {// whether it is a function body
Return string. apply (v) = "[object Function]";
},
IsNumber: function (v) {// whether it is a number
Return typeof v = "number" & isFinite (v );
},
IsDate: function (v) {// whether it is a date
Return string. apply (v) = "[object Date]";
},
IsElement: function (v) {// whether it is a Dom Element Node
Return !! (V & v. nodeType = 1 );
},
// Browser Detection
IsOpera: isOpera,
IsChrome: isChrome,
IsWebKit: isWebKit,
IsSafari: isSafari,
IsIE: isIE,
IsFF: isFF,
IsQuirks: quirks,
GetVersion: version,

// Obtain the id Element
$: Function (id ){
Return typeof id = "string "? Doc. getElementById (id): id;
},
// Retrieve the name Element Set
$ N: function (name ){
Return doc. getElementsByName (name );
},
// Retrieve the tag Element Set
$ T: function (tag, root ){
Return (root | doc). getElementsByTagName (tag );
},
// Set elements by attribute name (include or not), value, and range
$ A: function (attrName, attrValue, tag, root ){
Var elems = doc. all? Doc. all: this. $ T (tag | "*", root | doc), result = [],
AttVal = (typeof attrValue! = "Undefined ")? New RegExp ("(^ | \ s)" + attrValue + "(\ s | $)"): null;
For (var I = 0; I Attr = elems [I] [attrName] | elems [I]. getAttribute (attrName );
If (typeof attr = "string" & attr. length> 0 ){
If (typeof attrValue = "undefined" | (attVal & attVal. test (attr ))){
Result. push (elems [I]);
}
}
}
Return result;
},
// Retrieve the body Element
$ B: doc. body | docelem,
// Obtains the Class attribute element set.
$ C: function (attrValue, tag, root ){
Return this. $ A ("className", attrValue, tag, root );
},
// Retrieve the browser form width
GetWinWidth: win. innerWidth | docelem. clientWidth | doc. body. clientWidth,
// Retrieve the height of the browser form
GetWinHeight: win. innerHeight | docelem. clientHeight | doc. body. clientHeight,
// Retrieve the element style
GetStyle: function (elem, name ){
If (elem. style [name]) {
Return elem. style [name];
} Else if (elem. currentStyle ){
Return elem. currentStyle [name];
} Else if (doc. defaultView & doc. defaultView. getComputedStyle ){
Name = name. replace (/([A-Z])/g, "-$1 ");
Name = name. toLowerCase ();
Var s = doc. defaultView. getComputedStyle (elem ,"");
Return s & s. getPropertyValue (name );
} Else {
Return null;
}
},
// Obtain the screen coordinate value of an element
GetPosition: function (){
Return docelem. getBoundingClientRect & function (o ){
Var pos = o. getBoundingClientRect (), root = o. ownerDocument | o.doc;
Return {left: pos.left?root.doc umentElement. scrollLeft, top: pos.top=root.doc umentElement. scrollTop };
} | Function (o ){
Var x = 0, y = 0;
Do {x + = o. offsetLeft; y + = o. offsetTop;} while (o = o. offsetParent ));
Return {left: x, top: y };
};
}(),
// Set transparency
SetOpacity: function (elem, num ){
If (elem. filters ){
Elem. style. filter = "alpha (opacity =" + num + ")";
} Else {
Elem. style. opacity = num/100;
}
},
// Hide or display elements
Hide: function (elem) {elem. style. display = "none ";},
Show: function (elem) {elem. style. display = "block ";},
Toggle: function (elem ){
Elem. style. display = this. getStyle (elem, "display") = "none "? "Block": "none ";
},
// Element Class attribute operation
AddClass: function (elem, clsName ){
If (elem. className = ''){
Elem. className = clsName;
} Else if (elem. className! = ''& ('' + Elem. className + ''). indexOf ('' + clsName + '') ===-1 ){
Elem. className = elem. className + ''+ clsName;
}
},
RemoveClass: function (elem, clsName ){
If (clsName & (''+ elem. className +''). indexOf (''+ clsName +'')>-1 ){
Elem. className = (''+ elem. className + ''). replace (''+ clsName + '',''). replace (/^ | $/g ,'');
}
},
// Append an Html text object (Table supported)
Append: function (elem, text ){
If (typeof text = "string "){
If (elem. insertAdjacentHTML ){
If (elem. tagName = "TABLE "){
Var html = elem. outerHTML, ep = elem. parentNode, sl = html. length;
Text = html. substr (0, sl-8) + text + html. substr (sl-8, sl );
Ep. insertAdjacentHTML ("beforeEnd", text );
Ep. replaceChild (ep. lastChild, elem );
} Else {
Elem. insertAdjacentHTML ("beforeEnd", text );
}
} Else {
Var rlt = null, rg = doc. createRange (), fm = rg. createContextualFragment (text );
Rlt? Elem. insertBefore (fm, rlt): elem. appendChild (fm );
}
} Else if (typeof text = "object") elem. appendChild (text );
},
// Delete an element
Remove: function (elem ){
If (elem. parentNode) elem. parentNode. removeChild (elem );
},
// Empty element content and subnodes
Empty: function (elem ){
While (elem. firstChild ){
Elem. removeChild (elem. firstChild );
}
},
// Image pre-loading
Loadimages: function (){
Var a = arguments, loads = function (){
If (doc. images) {if (! Doc. ps) doc. ps = [];
Var I, j = doc. ps. length; for (I = 0; iif (a [I]. indexOf ("#")! = 0) {doc. ps [j] = new Image; doc. ps [j ++]. src = a [I] ;}}
};
Arguments. callee. caller? Loads (): doc. ready (loads );
},

// Event binding
Bind: function (){
If (win. addEventListener ){
Return function (elem, sType, fnc ){
Elem. addEventListener (sType, fnc, false );
};
} Else if (win. attachEvent ){
Return function (elem, sType, fnc ){
Elem. attachEvent ("on" + sType, fnc );
};
} Else {
Return function (){};
}
}(),
// Unbind the event
Unbind: function (elem, sType, fnc ){
If (elem. removeEventListener ){
Elem. removeEventListener (sType, fnc, false );
} Else if (elem. detachEvent ){
Elem. detachEvent ("on" + sType, fnc );
} Else {
Elem ["on" + sType] = null;
}
},
// Disable event bubbling
StopPropagation: function (ev ){
If (ev. stopPropagation ){
Ev. stopPropagation ();
} Else {
Ev. cancelBubble = true;
}
},
// Disable default event actions
PreventDefault: function (ev ){
If (ev. preventDefault ){
Ev. preventDefault ();
} Else {
Ev. returnValue = false;
}
},
// Obtain the mouse position
GetXY: function (ev ){
Return {
X: ev. pageX? Ev. pageX: ev. clientX + docelem. scrollLeft,
Y: ev. pageY? Ev. pageY: ev. clientY + docelem. scrollTop
};
},
// Bind the drag event
Drag: function (obj, obj2) {// obj: Moving Object obj2: drag point
Obj2 = obj2 | obj; // if no drag point is set, the drag point is the object to move.
Var x, y, ut = this;
Obj2.onmousedown = function (e ){
E = e | win. event;
Ut. preventDefault (e );
Obj. setCapture & obj. setCapture ();
X = ut. getXY (e). x-parseInt (obj. style. left );
Y = ut. getXY (e). y-parseInt (obj. style. top );
Docelem. onmousemove = over;
Docelem. onmouseup = up;
}
Function over (e ){
E = e | win. event;
Obj. style. left = ut. getXY (e). x-x + "px ";
Obj. style. top = ut. getXY (e). y-y + "px ";
}
Function up (){
Obj. releaseCapture & obj. releaseCapture ();
Docelem. onmousemove = null;
Docelem. onmouseup = null;
}
},
// Bind a Horizontal Rolling event
SliderX: function (obj, x1, x2, overEvent, upEvent ){
Var x, t, ut = this;
Obj. onmousedown = function (e ){
E = e | win. event;
Ut. preventDefault (e );
Obj. setCapture & obj. setCapture ();
T = ut. getXY (e). x-parseInt (obj. style. left );
Docelem. onmousemove = over;
Docelem. onmouseup = up;
}
Function over (e ){
E = e | win. event;
X = ut. getXY (e). x-t;
If (x If (x> x2) x = x2;
Obj. style. left = x + "px ";
OverEvent & overEvent (x );
}
Function up (){
Obj. releaseCapture & obj. releaseCapture ();
Docelem. onmousemove = null;
Docelem. onmouseup = null;
UpEvent & upEvent (x );
}
},
// Bind a vertical rolling event
SliderY: function (obj, y1, y2, overEvent, upEvent ){
Var y, t, ut = this;
Obj. onmousedown = function (e ){
E = e | win. event;
Ut. preventDefault (e );
Obj. setCapture & obj. setCapture ();
T = ut. getXY (e). y-parseInt (obj. style. top );
Docelem. onmousemove = over;
Docelem. onmouseup = up;
}
Function over (e ){
E = e | win. event;
Y = ut. getXY (e). y-t;
If (y If (y> y2) y = y2;
Obj. style. top = y + "px ";
OverEvent & overEvent (y );
}
Function up (){
Obj. releaseCapture & obj. releaseCapture ();
Docelem. onmousemove = null;
Docelem. onmouseup = null;
UpEvent & upEvent (y );
}
},
// Set cookie
SetCookie: function (n, v, t ){
Var exp = new Date ();
Exp. setTime (exp. getTime () + (t | 24) x 60*60*1000 );
Doc. cookie = n + "=" + escape (v) + "; expires =" + exp. toGMTString () + '; path = /';
},
// Obtain the cookie
GetCookie: function (n ){
Var arr = doc. cookie. match (new RegExp ("(^ |)" + n + "= ([^;] *) (; | $ )"));
If (arr! = Null) return unescape (arr [2]);
Return null;
}
});
}) (Document, window );

// Convert a date string to a date
App. parseDate = function (date ){
Var dt = date instanceof Date? Date: Date (date. replace ("-","/"));
Return isNaN (dt. getTime ())? Null: dt;
};
// Convert a Json string to an object
App. parseJSON = function (jsonString ){
Var result = false;
Try {
Result = eval ('+ jsonString + ')');
} Catch (e ){};
Return result;
};
// Unique value not repeated
App. getUid = function (){
Return "uid" + (new Date (). getTime () + parseInt (Math. random () * 100000 );
};
// Obtain the random number in the specified range
App. random = function (n1, n2 ){
Return Math. floor (Math. random () * (n2-n1 + 1) + n1;
};
// Second to millisecond
App. s2ms = function (str ){
Var t = str. split (":");
Return t [0] * 60000 + t [1] * 1000;
};
// Converts a millisecond value to a second.
App. ms2s = function (MS ){
Return (ms/60000 + ":" + ms/1000% 60 ). replace (/\. \ d +/g ,""). replace (/(^ |:) (\ d )(?! \ D)/g, "$10 $2 ");
};
// Convert numbers to numbers
App. num2number = function (num, n ){
Return Array (n). join ("0"). concat (num). slice (-n );
};
// Convert numbers to Chinese
App. num2gb = function (n ){
Return "0 February 5, 1234". split ("") [n];
};
// Flash Generation Code
App. getFlash = function (url, width, height, param ){
Var tagName = "", o1 = {width: width | 1, height: height | 1}, o2 = {};
If (this. isIE ){
TagName = "object ";
O1.classid = "clsid: D27CDB6E-AE6D-11cf-96B8-444553540000 ";
O1.codebase = "http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=10,0,0,0 ";
O2.movie = url;
O2.quality = "high ";
Param & this. extend (o2, param );
} Else {
TagName = "embed ";
O1.type = "application/x-shockwave-flash ";
O1.pluginspage = "http://www.adobe.com/go/getflashplayer_cn ";
O1.src = url;
O1.quality = "high ";
Param & this. extend (o1, param );
}
If (o1.width <2 & o1.height <2) tagName + = 'style = "position: absolute; top:-100px ;"';
Var a1 = [], a2 = [], I;
For (I in o1) a1.push (I + '= "' + o1 [I] + '"');
For (I in o2) a2.push (' ');
Return '<' + tagName + a1.join ('') + '>' + a2.join ('') +' ';
};
// Code generated by the player
App. getPlayer = function (url, width, height, param ){
Var wmp = ["6bf52a52-394a-11d3-b153-00c04f79faa6", "application/x-mplayer2"];
Var rmp = ["CFCDAA03-8BE4-11cf-B84B-0020AFBBCCFA", "audio/x-pn-realaudio-plugin"];
Var mp =/\. rm $/. test (url )? Rmp: wmp;
Var tagName = "", o1 = {width: width | 1, height: height | 1}, o2 = {};
If (this. isIE ){
TagName = "object ";
O1.classid = "clsid:" + mp [0];
O2.url = url;
Param & this. extend (o2, param );
} Else {
TagName = "embed ";
O1.type = mp [1];
O1.src = url;
Param & this. extend (o1, param );
}
If (o1.width <2 & o1.height <2) tagName + = 'style = "position: absolute; top:-100px ;"';
Var a1 = [], a2 = [], I;
For (I in o1) a1.push (I + '= "' + o1 [I] + '"');
For (I in o2) a2.push (' ');
Return '<' + tagName + a1.join ('') + '>' + a2.join ('') +' ';
};
// Obtain the XMLHttp object
App. xmlhttp = function (){
If (this. isFF) return new XMLHttpRequest ();
Var a = ["Msxml2.XMLHTTP. 3.0", "Msxml2.XMLHTTP", "Microsoft. XMLHTTP", "Msxml2.XMLHTTP. 4.0", "Msxml2.XMLHTTP. 5.0"];
For (var I = 0, l = a. length; I Try {
Return new ActiveXObject (a [I]);
} Catch (e ){}
}
Return false;
};
// Get data
App. get = function (url, callBack ){
Var x = this. xmlhttp ();
X. open ("get", url, true );
X. onreadystatechange = function (){
X. readyState = 4 & (x. status = 0 | x. status = 200) & callBack (x. responseText );
}
X. send (null );
};
// Post Data
App. post = function (url, arg, callBack ){
Var x = this. xmlhttp ();
X. open ("post", url, true );
X. setRequestHeader ("Content-Length", arg. length );
X. setRequestHeader ("Content-Type", "application/x-www-form-urlencoded ");
X. onreadystatechange = function (){
X. readyState = 4 & (x. status = 0 | x. status = 200) & callBack (x. responseText );
}
X. send (arg );
};


A small number of functions are not tested. You are welcome to give your comments.

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