Share your own encapsulated common javascript Functions and encapsulate javascript Functions

Share your own encapsulated common javascript Functions and encapsulate javascript Functions

These are all common functions, so there will be no more nonsense here. Let's take a look.

Code:

Copy codeThe Code is as follows:
// Cookie
Function setCookie (name, value, iDay)
{
If (iDay! = False)
{
Var oDate = new Date ();
ODate. setDate (oDate. getDate () + iDay );
Document. cookie = name + '=' + value + '; expires =' + oDate + '; path = /';
}
Else
{
Document. cookie = name + '=' + value;
}
}
Function getCookie (name)
{
Var arr = document. cookie. split (';');
Var I = 0;
For (I = 0; I <arr. length; I ++)
{
Var arr2 = arr [I]. split ('= ');
If (arr2 [0] = name)
{
Return arr2 [1];
}
}
Return '';
}
Function removeCookie (name)
{
SetCookie (name, 'A',-1 );
}
// Event
Function myAddEvent (obj, ev, fn ){
Obj. attachEvent? Obj. attachEvent ('on' + ev, fn): obj. addEventListener (ev, fn, false );
}
Function myDelEvent (obj, ev, fn ){
Obj. detachEvent? Obj. detachEvent ('on' + ev, fn): obj. removeEventListener (ev, fn, false );
}
Function getByClass (oParent, sClass)
{
Var aEle = oParent. getElementsByTagName ('*');
Var re = new RegExp ('\ B' + sClass + '\ B', 'I ');
Var aResult = [];
For (var I = 0; I <aEle. length; I ++)
{
If (re. test (aEle [I]. className ))
{
AResult. push (aEle [I]);
}
}
Return aResult;
}
Function bindEvent (obj, ev, fn)
{
Obj. addEventListener? Obj. addEventListener (ev, fn, false): obj. attachEvent ('on' + ev, fn );
}
Function unbindEvent (obj, ev, fn)
{
Obj. removeEventListener? Obj. removeEventListener (ev, fn, false): obj. detachEvent ('on' + ev, fn );
}
// Generate a random number
Function rnd (n, m)
{
Return Math. random () * (m-n) + n;
}
Function time2date (t)
{
Function d (n) {return n <10? '0' + n: ''+ n ;}
Var oDate = new Date (t * 1000 );
Return oDate. getFullYear () + '-' + d (oDate. getMonth () + 1) + '-' + d (oDate. getDate () + ''+ d (oDate. getHours () + ':' + d (oDate. getMinutes () + ':' + d (oDate. getSeconds ());
}
Function time2day (t)
{
Function d (n) {return n <10? '0' + n: ''+ n ;}
Var oDate = new Date (t * 1000 );
Return oDate. getFullYear () + '-' + d (oDate. getMonth () + 1) + '-' + d (oDate. getDate ());
}
// Drag
Function drag (objEv, objMove, fnMoveCallBack)
{
Var disX = 0, disY = 0;
ObjEv. onmousedown = function (ev)
{
Var oEvent = ev | event;
Disx((document.doc umentElement. scrollLeft | document. body. scrollLeft) + oEvent. clientX-objMove.offsetLeft;
Disycategory (document.doc umentElement. scrollTop | document. body. scrollTop) + oEvent. clientY-objMove.offsetTop;
If (objEv. setCapture)
{
ObjEv. onmousemove = fnMove;
ObjEv. onmouseup = fnUp;
ObjEv. setCapture ();
}
Else
{
Document. onmousemove = fnMove;
Document. onmouseup = fnUp;
Return false;
}
};
Function fnMove (ev)
{
Var oEvent = ev | event;
Var l=(document.doc umentElement. scrollLeft | document. body. scrollLeft) + oEvent. clientX-disX;
Var t=(document.doc umentElement. scrollTop | document. body. scrollTop) + oEvent. clientY-disY;
FnMoveCallBack (l, t );
}
Function fnUp ()
{
This. onmousemove = null;
This. onmouseup = null;
If (this. releaseCapture) this. releaseCapture ();
}
}
Function mouseScroll (obj, fnCallBack)
{
BindEvent (obj, 'mousewheel ', fnScroll );
BindEvent (obj, 'dommousescroll', fnScroll );
Function fnScroll (ev)
{
Var oEvent = ev | event;
Var bDown;
If (oEvent. wheelDelta)
{
BDown = oEvent. wheelDelta <0;
}
Else
{
BDown = oEvent. detail> 0;
}
FnCallBack (bDown );
If (oEvent. preventDefault) oEvent. preventDefault ();
Return false;
}
}
// Swing
ZnO. site. fx. swing = function (obj, cur, target, fnDo, fnEnd, acc)
{
If (ZnO. site. fx. browser_test.IE6)
{
FnDo & fnDo. call (obj, target );
FnEnd & fnEnd. call (obj, target );
Return;
}
If (! Acc) acc = 0.1;
Var now = {};
Var x = 0; // 0-100
If (! Obj. _ swing_v) obj. _ swing_v = 0;
If (! Obj. _ last_timer) obj. _ last_timer = 0;
Var t = new Date (). getTime ();
If (t-obj. _ last_timer> 20)
{
FnMove ();
Obj. _ last_timer = t;
}
ClearInterval (obj. timer );
Obj. timer = setInterval (fnMove, 20 );
Function fnMove (){
If (x <50)
{
Obj. _ swing_v + = acc;
}
Else
{
Obj. _ swing_v-= acc;
}
// If (Math. abs (obj. _ flex_v)> MAX_SPEED) obj. _ flex_v = obj. _ flex_v> 0? MAX_SPEED:-MAX_SPEED;
X + = obj. _ swing_v;
// Alert (x + ',' + obj. _ swing_v );
For (var I in cur)
{
Now [I] = (target [I]-cur [I]) * x/100 + cur [I];
}
If (fnDo) fnDo. call (obj, now );
If (/* Math. abs (obj. _ swing_v) <1 | */Math. abs (100-x) <1)
{
ClearInterval (obj. timer );
If (fnEnd) fnEnd. call (obj, target );
Obj. _ swing_v = 0;
}
}
};
// Elastic movement
ZnO. site. fx. flex = function (obj, cur, target, fnDo, fnEnd, fs, MS)
{
If (ZnO. site. fx. browser_test.IE6)
{
FnDo & fnDo. call (obj, target );
FnEnd & fnEnd. call (obj, target );
Return;
}
Var MAX_SPEED = 16;
If (! Fs) fs = 6;
If (! MS) MS = 0.75;
Var now = {};
Var x = 0; // 0-100
If (! Obj. _ flex_v) obj. _ flex_v = 0;
If (! Obj. _ last_timer) obj. _ last_timer = 0;
Var t = new Date (). getTime ();
If (t-obj. _ last_timer> 20)
{
FnMove ();
Obj. _ last_timer = t;
}
ClearInterval (obj. timer );
Obj. timer = setInterval (fnMove, 20 );
Function fnMove (){
Obj. _ flex_v + = (100-x)/fs;
Obj. _ flex_v * = MS;
If (Math. abs (obj. _ flex_v)> MAX_SPEED) obj. _ flex_v = obj. _ flex_v> 0? MAX_SPEED:-MAX_SPEED;
X + = obj. _ flex_v;
For (var I in cur)
{
Now [I] = (target [I]-cur [I]) * x/100 + cur [I];
}
If (fnDo) fnDo. call (obj, now );
If (Math. abs (obj. _ flex_v) <1 & Math. abs (100-x) <1)
{
ClearInterval (obj. timer );
If (fnEnd) fnEnd. call (obj, target );
Obj. _ flex_v = 0;
}
}
};