jquery实现根据浏览器窗口大小自动缩放图片的方法_jquery

(function($){ $.fn.resizeimage = function(){ var imgLoad = function (url, callback) { var img = new Image(); img.src = url; if (img.complete) { callback(img.width, img.height); } else { img.onload = function () { callback(img.width, img.height); img.onload = null; }; }; }; var original = { width:$(window).width() }; return this.each(function(i,dom){ var image = $(this); imgLoad(image.attr('src'),function(){ var img = { width:image.width(), height:image.height() },percentage=1; if(img.width1?1:w/img.width; var newWidth = img.width*percentage-30; var newHeight = img.height*percentage; image.width(newWidth).height(newHeight); }); }); }); }; })(jQuery);