Letme

I am trying to have my implementation of the plugin send all queued files to my controller action at one time. Is there an option to do this natively with...

这段代码怎么理解

1

$img.setAttribute('srcset', $img.getAttribute('data-src2')+" 2x,"+$img.getAttribute('data-src3')+" 3x"); $img.setAttribute('src', $img.getAttribute('data-src2'));