/* * jQuery Rawr Sliding Container (RSC) v1.0 * Website: http://hungred.com * Demo Site: http://hungred.com/wp-content/demo/RSC/demo-RSC.html * Description: A simple sliding container that can be useful for you. * Contact: [email protected] * version 1.0 * * TERMS OF USE - Rawr Sliding Container (RSC) * Open source under the MIT License. * Copyright (c) 2009 Clay Lua Czee Yong * * Permission is hereby granted, free of charge, to any person * obtaining a copy of this software and associated documentation * files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, * copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following * conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * */ (function($){ $.fn.RSC= function(options) { var defaults = { prevImageID: "#prev", nextImageID: "#next", noOfContainer: 6, containerW: 500, duration: 1000 }; var op = $.extend(defaults, options); var pathObj = $('#container').children(); var i = 0; function loadImg(url, obj, loading, msg) { $(loading).css({"display":"block"}).animate({opacity:1},1000); //display the loading in progress image $(obj).html("<img src='"+url+"' width='500px' height='350px'/>").css({opacity: 0}); //throw in the image into the div block var tmp = $(obj).children(); //gets the image obj we just thrown in tmp[0].onload = function(){ //when the image has complete loaded $(obj).animate({opacity:1},1000); //display the image $(loading).animate({opacity:0},1000).css({"display":"none"}); //hide the loading in progress image } tmp[0].onerror = function(){ //when the image fail to load for various reason $(this).css({"display":"none"}); //we hide the image that fail $(obj).html($(obj).html()+"<div>"+msg+"</div>").animate({opacity:1},1000);//provides a message to the user instead $(loading).animate({opacity:0},1000).css({"display":"none"}); //hide the loading in progress image } } function getImg(obj) { url = $(obj).css({"display":"block", "visibility":"visible"}).html(); //get the image url from the div block loaded = false; //check whether image has been loaded if(url.search(/<.*/) != -1) //search for opening tag, doing /'<img.*/>'/ doesn't work in IE7 and Opera somehow. { loaded=true; //found opening tag, assume its loaded tmp = $(obj).children(); //get the img tag obj url = $(tmp[0]).attr("src"); //retrieve the url if(tmp[1] != undefined) //check whether there is a second block in the children of the div block (this is added in loadImg when it fail) loaded = false; //there is an error message, we try to load again } if(!loaded) loadImg(url,obj, "#loading", "there seems to be an issue, try again later"); } getImg(pathObj[0]); return this.each(function() { $(this).click(function() { if(this.id==op.prevImageID.replace("#","")) { i++; if(i > 0) i=(0-(op.noOfContainer-1)) } else if(this.id==op.nextImageID.replace("#","")) { i--; if(i<(0-(op.noOfContainer-1))) i=0; } $("div#container").animate({marginLeft: i*op.containerW+"px"},op.duration, function(){ var imgObj = getImg(pathObj[0-i]); }); }); }); }; })(jQuery);
demo:https://hungred.com/wp-content/demo/jQuery-preloading-with-image/demo.html
图片占位、背景图的plugin
http://holderjs.com/