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Examples of JS practical animation pop-up layer effects

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Examples of JS practical animation pop-up layer effects

This article describes how to use the practical animation pop-up layer of JavaScript. Share it with you for your reference. The specific implementation method is as follows:

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<! 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> animation pop-up layer </title>

<Style>

. List {

Position: relative ;;

Background: # eee;

Border: 1px # ccc solid;

Margin: 10px;

Height: 30px;

Width: 100px;

Cursor: pointer;

}

. ListShow {

Position: relative;

Background: # eff;

Border: 1px # ddd solid;

Margin: 10px;

Height: 30px;

Width: 100px;

Cursor: pointer;

}

. Comment {

Position: absolute;

Left: 0;

Display: none;

Position: absolute;

Border: 1px # ccc solid;

Background: # background;

Width: 200px;

Height: 200px;

Overflow: hidden;

Z-index: 100;

}

</Style>

</Head>

<Body>

<Div class = "" id = "show">

0

</Div>

<Div class = "list" id = "list1"> 1

<Div class = "comment" id = "comment1"> 111 <br/>

</Div>

<Div class = "list" id = "list2"> 2

<Div class = "comment" id = "comment2"> content display 222 </div>

</Div>

<Div class = "list" id = "list3"> 3

<Div class = "comment" id = "comment3"> content display 333 </div>

</Div>

</Body>

</Html>

<Script>

Var zindex = 0;

Function $ id (id ){

Return document. getElementById (id );

}

Var Bind = function (object, fun ){

Var args = Array. prototype. slice. call (arguments). slice (2 );

Return function (){

Return fun. apply (object, args );

}

}

Function addEventHandler (oTarget, sEventType, fnHandler ){

If (oTarget. addEventListener ){

OTarget. addEventListener (sEventType, fnHandler, false );

}

Else if (oTarget. attachEvent ){

OTarget. attachEvent ('on' + sEventType, fnHandler );

}

Else {oTarget ['on' + sEventType] = fnHandler ;}

}

Var Shower = function (){

This. list = null;

This. comment = null;

This. moveLeft = 80;

This. moveTop = 20;

This. height = 150;

This. Length = 250;

This. time = 800;

This. init = function (lisObj, comObj ){

This. list = lisObj;

This. comment = comObj;

Var _ this = this;

This. _ fnMove = Bind (this, this. move );

(Function (){

Var obj = _ this;

AddEventHandler (obj. list, "click", obj. _ fnMove );

})();

};

This. move = function (){

Var _ this = this;

Var w = 0;

Var h = 0;

Var height = 0; // The height of the pop-up div

Var width = 0; // The width of the pop-up div

Var t = 0;

Var startTime = new Date (). getTime (); // execution start time

If (! _ This. comment. style. display | _ this. comment. style. display = "none "){

_ This. comment. style. display = "block ";

_ This. comment. style. height = 0 + "px ";

_ This. comment. style. width = 0 + "px ";

_ This. list. style. zIndex = ++ zindex;

_ This. list. className = "listShow ";

Var comment = _ this. comment. innerHTML;

_ This. comment. innerHTML = ""; // remove the display content.

Var timer = setInterval (function (){

Var newTime = new Date (). getTime ();

Var timestamp = newTime-startTime;

_ This. comment. style. left = Math. ceil (w) + "px ";

_ This. comment. style. top = Math. ceil (h) + "px ";

_ This. comment. style. height = height + "px ";

_ This. comment. style. width = width + "px ";

T ++;

Var change = (Math. pow (timestamp/_ this. time-1), 3) + 1 );

// Get the basic changes according to the running time

W = _ this. moveLeft * change;

H = _ this. moveTop * change;

Height = _ this. height * change;

Width = _ this. width * change;

$ Id ("show"). innerHTML = w;

If (w> _ this. moveLeft ){

ClearInterval (timer );

_ This. comment. style. left = _ this. moveLeft + "px ";

_ This. comment. style. top = _ this. moveTop + "px"; _ this. comment. style. height = _ this. height + "px ";

_ This. comment. style. width = _ this. width + "px ";

_ This. comment. innerHTML = comment; // reply to the displayed content

}

}, 1, _ this. comment );

} Else {

_ This. hidden ();

}

}

This. hidden = function (){

Var _ this = this;

Var flag = 1;

Var hiddenTimer = setInterval (function (){

If (flag = 1 ){

_ This. comment. style. height = parseInt (_ this. comment. style. height)-10 + "px ";

} Else {

_ This. comment. style. width = parseInt (_ this. comment. style. width)-15 + "px ";

_ This. comment. style. left = parseInt (_ this. comment. style. left) + 5 + "px ";

}

If (flag = 1 & parseInt (_ this. comment. style. height) <10 ){

Flag =-flag;

}

If (parseInt (_ this. comment. style. width) <20 ){

ClearInterval (hiddenTimer );

_ This. comment. style. left = "0px ";

_ This. comment. style. top = "0px ";

_ This. comment. style. height = "0px ";

_ This. comment. style. width = "0px ";

_ This. comment. style. display = "none ";

If (_ this. list. style. zIndex = zindex ){

Zindex --;

};

_ This. list. style. zIndex = 0;

_ This. list. className = "list ";

}

}, 1)

}

}

Window. onload = function (){

// Create menu objects

Var shower1 = new Shower ();

Shower1.init ($ id ("list1"), $ id ("comment1 "));

Var shower2 = new Shower ();

Shower2.init ($ id ("list2"), $ id ("comment2 "));

Var shower3 = new Shower ();

Shower3.init ($ id ("list3"), $ id ("comment3 "));

}

</Script>

Shows the effect:

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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