Bookmarklet to view Twitter poll result without voting

twitter-poll-result.js

/**
 * Used https://www.odditysoftware.com/page-webtools16.htm to remove comments and minify the code to use it as a bookmarklet
 */
(
  function () {
    /* Exiting if the webpage is not Twitter or a valid tweet */
    if (window.location.origin !== 'https://twitter.com' || window.location.pathname.split('/').length !== 4) return alert('This is not a valid Twitter poll!');

    alert('Please wait this can take up to 30 seconds. Select OK or close to get started. If this is a valid poll, you will get the result when it is ready...:)');

    /* This string will hold our poll result */
    let result = '';
    /* This boolean denotes if our job is done and if true, doesn't execute the addEventListener anymore. */
    let processDone = false;
    let oldXHROpen = window.XMLHttpRequest.prototype.open;
    const startTime = Date.now();

    window.XMLHttpRequest.prototype.open = function () {
      if (processDone) {
        return oldXHROpen.apply(this, arguments);
      }

      /* onLoad event handler to intercept the Twitter API response to read the poll results. */
      function listenEvent() {
        try {
          if (this.responseURL.includes('poll')) {
            /**
             * JSON from the Twitter API response On a poll page every 30 seconds, Twitter hits the API to retrieve the latest poll results
             */
            const pollResultJson = JSON.parse(this.responseText);
            const pollBindingValues = pollResultJson.card.binding_values;
            const resultObj = Object.keys(pollBindingValues).reduce(function (accum, key) {
              if (key.includes('_label')) {
                const label = pollBindingValues[key].string_value;
                const choiceNumber = key.replace(/\D/g, '');
                const voteCount = pollBindingValues[`choice${choiceNumber}_count`].string_value;

                accum.choiceVoteCountMap[label] = +voteCount;
                accum.noOfVotes += +voteCount;
              }

              return accum;
            }, { noOfVotes: 0, choiceVoteCountMap: {} });

            const { choiceVoteCountMap, noOfVotes } = resultObj;
            Object.keys(choiceVoteCountMap).forEach(function (label) {
              result += `${label}: ${((choiceVoteCountMap[label] / noOfVotes) * 100).toFixed(2)}% with ${choiceVoteCountMap[label]} votes\n`
            })
          }
        } catch (e) {
          processDone = true;
          /* For error reporting. Incase if the bookmarklet fails to work in future, people will be able to report...:) */
          if (window.confirm('Something went wrong. Could you please report the issue?')) {
            window.open('https://www.syncwithtech.org/twitter-poll-result-wo-voting/', '_blank');
          }

          this.removeEventListener('load', listenEvent);
        }
      }

      this.addEventListener('load', listenEvent);

      /* If result holds proper string, we need to stop listening to the event */
      if (result) {
        processDone = true;
        alert(result);

        this.removeEventListener('load', listenEvent);
      }

      /* If the page is a proper tweet and doesn't have a poll, we must stop listening to the load event. It happens after 40 seconds. */
      if (Date.now() - startTime > 40000 && !processDone) {
        processDone = true;

        /* To get feedback if it's actually a poll and the script fails to detect it */
        if (window.confirm('Seems like it is not a valid Twitter poll. Press OK to report the issue if it is a valid poll and the bookmarklet failed to detect it.')) {
          window.open('https://www.syncwithtech.org/twitter-poll-result-wo-voting/', '_blank');
        }

        this.removeEventListener('load', listenEvent);
      }

      return oldXHROpen.apply(this, arguments);
    }
  }
)();

For polls with video replies (which are iframes too):

https://gist.github.com/Felipeplz/d41056f5eaa1b6787670a21ddaa7db0e

This does not work as of May 23rd, 2020.

This does not work as of May 23rd, 2020.

I have updated the script. It has to work now. You may want to check this using the bookmarklet.

just open the twitter poll on a random nitter instance, they usually just expose the results without logging in https://github.com/zedeus/nitter/wiki/Instances