• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11

var client = new XMLHttpRequest();
client.open("GET", "https://www.rosettastone.com/gils", true);
client.send();

client.onreadystatechange = function() {
  if(this.readyState == this.HEADERS_RECEIVED) {
    console.log('got headerss')
    var contentType = client.getResponseHeader("X-GI");
    console.log('CT: ', contentType)
  }
}