vesuvvius

Getting this error when testing on mobile,

(index):848 Uncaught TypeError: $ is not a function
    at HTMLDocument.<anonymous> ((index):848)
    at i (jquery.js?ver=1.12.4:2)
    at Object.fireWith [as resolveWith] (jquery.js?ver=1.12.4:2)
    at Function.ready (jquery.js?ver=1.12.4:2)
    at HTMLDocument.K (jquery.js?ver=1.12.4:2)

And its this code –
$(".ctu-ulimate-style-1 li").css("width", eachwidth);