fade in background jquery -

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i'm trying fade images on background of site isn't working t_t . in advance !

html :

<body>     <div id="menu1"></div>     <div id="menu2"></div>     <div id="menu3"></div> </body>

css :

body {     background-color: #1f304e;     background-image: url('images/bg.jpg');     background-repeat: no-repeat;      background-attachment:fixed;     background-position: center 0px; }

jquery :

$('#menu1').click(function(){     $(body).animate({background : url('images/bg1.jpg') }, 600); });  $('#menu2').click(function(){     $(body).animate({background : url('images/bg2.jpg') }, 600); });  $('#menu3').click(function(){     $(body).animate({background : url('images/bg3.jpg') }, 600); });

you cannot directly animate background image property of element. can fade in entire element though, try create div contains image, , fade in.

try mimic background div instead:

css:

#bg {   background-color: #1f304e;   background-image: url('images/bg.jpg');   background-repeat: no-repeat;    background-attachment:fixed;   background-position: center 0px;   position: fixed;   width: 100%;   height: 100%;   z-index: -1; }

html:

<body>   <div id="bg"></div>   <div id="menu1"></div>   <div id="menu2"></div>   <div id="menu3"></div> </body>

javascript:

$('#menu1').click(function(){   $("#bg").fadeout(function() {     $("#bg").css({background : url('images/bg1.jpg') });     $("#bg").fadein(300);   }, 300); });  $('#menu2').click(function(){   $("#bg").fadeout(function() {     $("#bg").css({background : url('images/bg2.jpg') });     $("#bg").fadein(300);   }, 300); });  $('#menu3').click(function(){   $("#bg").fadeout(function() {     $("#bg").css({background : url('images/bg3.jpg') });     $("#bg").fadein(300);   }, 300); });

this fade out background, swap image, fade in. if want proper crossfade, need @ least 2 divs in background.


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