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Javascript jQuery plug-in exercises

Source: Internet
Author: User
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Simplified Plugin:
SimplePlugin.htm:
Copy codeThe Code is as follows:
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Title> simplified plug-in </title>
<Script type = "text/ecmascript" src = "../js/jquery-1.2.6.js"> </script>
<Script type = "text/ecmascript" src = ".../js/jquery. SimplePlugin. js"> </script>
<Script type = "text/ecmascript">
$ (Function (){
$ ("Input"). click (function (){
$ ("Body"). dialog ();
})
});
Function f (){
$ ("Body"). find ("# MaskID"). hide (1000 );
$ ("Body"). find ("# DivDialog"). hide (1000 );
}
</Script>
</Head>
<Body>
<Input type = "button" value = "hi plugin"/>
</Body>
</Html>


Jquery. SimplePlugin. js:

Copy codeThe Code is as follows:
$. Fn. dialog = function (){
This. MaskDiv = function () // customize a function
{
// Create a masked background. The transparency is not set here for simplicity. ZIndex determines the mask.
$ ("Body"). append ("<div ID = MaskID> </div> ");
$ ("Body"). find ("# MaskID"). width ("888px"). height ("666px ")
. Css ({position: "absolute", top: "0px", left: "0px", background: "# ccc", zIndex: "10000 "});
}
This. MaskDiv (); // call a custom function.
$ ("Body "). append ("<div ID = DivDialog style = 'display: none '> <ul> <li> prompt </li> </ul> <input type = 'button' value = 'close' onclick = 'f (); '/> </div> ");
Var obj = $ ("body"). find ("# DivDialog ");
Obj. width ("200px"). height ("200px ");
Obj.css ({position: "absolute", top: "100px", left: "100px", background: "# FFCC66", zIndex: "10001 "}). show ("slow ");

Return this;
}

Complete plug-ins:
Myplugin.html:

Copy codeThe Code is as follows:
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> exercise jQuery plug-in </title>
<Script type = "text/ecmascript" src = "../js/jquery-1.2.6.js"> </script>
<Script type = "text/ecmascript" src = "../js/jquery. firstplugin. js"> </script>
<Script type = "text/ecmascript" src = "../js/jquery. dialog. js"> </script>
<Style type = 'text/css '>
* {Padding: 0; margin: 0}/* this row style must be added. Otherwise, a BUG may occur. */

# MyDiv {
Position: absolute;
Width: 200px;
Height: 200px;
Font-size: 12px;
Background: #666;
Border: 1px solid #000;
Z-index: 10001;
Display: none;
Text-align: center;
}
</Style>
<Script type = "text/ecmascript">
$ (Document). ready (function (){
$ ("Input"). click (function (){
$ ("Body"). dialog ();
})
})
</Script>
</Head>

<Body>
<Div>
<Input type = "button" value = "hi plugin"/>
</Div>
</Body>
</Html>

Jquery. dialog. js:
Copy codeThe Code is as follows:
// JScript File
$. Fn. dialog = function (){
This. MaskDiv = function () // customize a function
{
Var wnd = $ (window), doc = $ (document );
If (wnd. height ()> doc. height () {// when the height is less than one screen
WHeight = wnd. height ();
} Else {// when the height is greater than one screen
WHeight = doc. height ();
}
// Create a mask background
$ ("Body"). append ("<div ID = MaskID> </div> ");
$ ("Body"). find ("# MaskID"). width (wnd. width (). height (wHeight)
. Css ({position: "absolute", top: "0px", left: "0px", background: "# ccc", filter: "Alpha (opacity = 90 );", opacity: "0.3", zIndex: "10000 "});
}
This. sPosition = function (obj) // customize a function with Parameters
{
Var MyDiv_w = parseInt (obj. width ());
Var MyDiv_h = parseInt (obj. height ());

Var width = parseInt ($ (document). width ());
Var height = parseInt ($ (window). height ());
Var left = parseInt ($ (document). scrollLeft ());
Var top = parseInt ($ (document). scrollTop ());

Var Div_topposition = top + (height/2)-(MyDiv_h/2); // calculate the top margin
Var Div_leftposition = left + (width/2)-(MyDiv_w/2); // calculate the left margin
Return Array (Div_topposition, Div_leftposition );
}
This. MaskDiv ();
$ ("Body "). append ("<div ID = DivDialog style = 'display: none'> <ul> <li> prompt </li> </ul> </div> ");
Var obj = $ ("body"). find ("# DivDialog ");
Obj. width ("200px"). height ("200px ");
PosT = this. sPosition (obj );
Obj.css ({position: "absolute", top: PosT [0] + "px", left: PosT [1] + "px", background: "# FFCC66", zIndex: "10001 "}). show ("slow ");
Return this;
}

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

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