view poll percentages on tumblr (for pasting into JS console)

pollview.js

// get randomly generated string for react elements
var suffix = Object.keys(document.querySelector('#base-container'))[0].split('$')[1]
var reakt = (x)=>`__react${x+'$'+suffix}`

// get current clicked-on post (clicked on OP's url on the dashboard, or went to direct www.tumblr.com link)
var tlo = document.querySelector('[data-testid="timelinePosts"] [data-id]')[reakt`Fiber`].child.child.child.memoizedProps.timelineObject
var poll = tlo.content.filter(x=>x.type=='poll')[0] // get first poll in post
// grab the results for the poll
tumblr.apiFetch(`/v2/polls/${tlo.blogName}/${tlo.idString}/${poll.clientId}/results`).then(function (results) {
  let output = []
  let total = Object.values(results.response.results).reduce((s,a)=>s+a, 0); // get a sum of all votes
  poll.answers.forEach(ans => { 
    // pre-process the info
    // this processes the client-side poll view and uses it to index the results. 
    // you could theoretically do it the other way around. i won't
    output.push({'text': ans.answerText, 'votes': results.response.results[ans.clientId], 'id': ans.clientId, 'percentage': 100*results.response.results[ans.clientId]/total})
  })
  // push what we know to an alert()
  alert(poll.question+"\n\n"+output.map(a => {
    with(a)return`${text}: ${votes} votes (${percentage>10?percentage.toPrecision(4):percentage.toPrecision(3)}%)`
  }).join`\n`)
})