注意脚本的第一行引用图片的路径，这样子做能够避免直接从ext网站上面下载该文件，从而加快下载页面的速度。

Note that we included a path to an img file at the top of the script, do this to avoid pulling this file directly from the ExtJs servers - not doing this can slow things down a bit.

youdao

注意脚本的第一行引用图片的路径，这样子做能够避免直接从ext网站上面下载该文件，从而加快下载页面的速度。

Note that we included a path to an img file at the top of the script, do this to avoid pulling this file directly from the ExtJs servers - not doing this can slow things down a bit.

youdao