EExcel 丞燕快速查詢2

EExcel 丞燕快速查詢2
EExcel 丞燕快速查詢2 https://sandk.ffbizs.com/

Preloading images and executing code only after all images have loaded

http://www.javascriptkit.com/javatutors/preloadimagesplus.shtml

http://fragged.org/preloading-images-using-javascript-the-right-way-and-without-frameworks_744.html