Refactor js part of the code as too many conditions making the app slow

We,have a page with real time data updates etc.. we are using vue.js and firebase for [login to view URL] looks like too many conditions on the page (if/else) foreach making the app die if it has [login to view URL] job will be to make one part really smooth so that we will follow that pattern for the rest of the [login to view URL] don't have to code much just listen to what we say carefully and make a pattern for us to follow so that the code works [login to view URL] of vue.js is added bonous.