run this to see which posts' first comment start with "I"

hackernews_first_person_comment_counter.js

function get(url) {
  return new Promise((resolve, reject) => {
    try {
      var startswith = false
      var request = new XMLHttpRequest()
      request.open('GET', url, true)
      request.onload = function() {
        if (this.status >= 200 && this.status < 400) {
          var data = this.response
          var html = document.createElement('html')
          html.innerHTML = data
          var comments = html.querySelectorAll('table.comment-tree tr table tr td.default div.comment span.commtext')
          if (comments && comments[0] && comments[0].innerText) {
            startswith = comments[0].innerText.substring(0,2).toLowerCase() === "i "
          }
          resolve(startswith)
        } 
      }
      request.send()  
    }
    catch(e) {
      resolve(false)
    }
  })
}
;(async function(){
  var comments = document.querySelectorAll(`td > a[href*="item?"]:not(.storylink)`)
  function colorize(val) {
    comments[i].parentElement.parentElement.previousSibling.setAttribute("style", `background:${val}`)
  }
  for (var i=0;i<comments.length;i++) {
    var url = comments[i].href
    colorize("#93ffec7a")
    var response = await get(url)
    colorize("unset")
    if (response) {
      colorize("#df8fff")
    }
  }  
})();