Sorta vanilla javascript instagram feed

instagram-feed.js

  // thank you https://ariasthompson.com/2018/02/08/adding-instagram-feed-website-without-plugin/
  // for the basis of this feed grab
  
  var getInstagramFeed = function () {
    var request = new XMLHttpRequest();
    var token = 'ACCESS_TOKEN';
    var count = 3;
    request.open('GET', 'https://api.instagram.com/v1/users/self/media/recent/?access_token='+token+'&count='+count, true);

    request.onload = function(container) {
      if (request.status >= 200 && request.status < 400) {
        console.log('Success!');
        var data = JSON.parse(request.responseText);
        for (var i=0;i < data.data.length;i++) {
            var container = document.getElementById('insta-feed');     

            var instapicDiv = document.createElement('div');
              instapicDiv.setAttribute('class','instapic');
              container.appendChild(instapicDiv);

            var postURL = data.data[i].link;

            var linkWrapper = document.createElement('a');
              linkWrapper.setAttribute('href', postURL);
              linkWrapper.setAttribute('target', '_blank');
              instapicDiv.appendChild(linkWrapper);

            var userName = data.data[i].user.full_name;
            var imgURL = data.data[i].images.standard_resolution.url;
              //console.log(imgURL);

            var img = document.createElement('img');
              img.setAttribute('src',imgURL);
              img.setAttribute('alt',userName);
              img.setAttribute('title', imgCaptionText);
              linkWrapper.appendChild(img);

            var imgCaptionText = data.data[i].caption.text;
              imgCaptionText = trimText(imgCaptionText, 140);
              //console.log(imgCaptionText);

            var imgCaptionDiv = document.createElement('div');
              imgCaptionDiv.setAttribute('class', 'imgCaptionText');
              imgCaptionDiv.innerText = imgCaptionText;
              instapicDiv.appendChild(imgCaptionDiv);

            var igMetaDiv = document.createElement('div');
              igMetaDiv.setAttribute('class', 'igMeta');
              igMetaDiv.innerHTML = '<a href="'+postURL+'" target="_blank"><span class="icon-instagram2"></span>&nbsp;&nbsp;<em>@instagram</em></a>';
              instapicDiv.appendChild(igMetaDiv);
        }

        //console.log(data);
      } else {
      }
    };
    request.onerror = function() {
      console.log('There was a connection error of some sort');
    };
    request.send();
  };

  // trim text after specified character limit; won't trim at a puncutation mark
  // based on https://stackoverflow.com/questions/4700226/i-want-to-truncate-a-text-or-line-with-ellipsis-using-javascript
  let trimText = function(text, limit){
  if (text.length > limit)
      for (let i = limit; i > 0; i--){
          if(text.charAt(i) === ' ' && 
            (text.charAt(i-1) != ',' || text.charAt(i-1) != '.' || text.charAt(i-1) != ';' || text.charAt(i-1) != '!') || text.charAt(i-1) != '?' ) {
              return text.substring(0, i) + ' ...';
          }
      }
  else
      return text;
  };

  getInstagramFeed();