如何在jquery中从选择器字符串中正确创建变量

So here's my issue, I'm doing mobile styling for hover effects for a website using jquery. Although I've been putting the elements I want affected by my mobile stylings into variables. Though my code doesn't work whenever I do this though. I'm not too sure what it is that I'm doing wrong but here's a snippet of my jquery script to get an idea of what I'm trying to do:So here's my issue, I'm doing mobile styling fo