focus 비교

커서 이동 .focus()

document.activeelement 해서 비교하자

// 이전 focus 찾기
$(window).on("focusin", function(){

   if(window.currFocus != document.activeElement){
    window.prevFocus = window.currFocus;
    window.currFocus = document.activeElement;
}


})

if([window.prevFocus.name](http://window.prevfocus.name/) == $("input[name=]").attr("name")){