title: What is "NodeId" in chrome extension -> "chrome.debugger"
body: <p>I don't know "NodeId" Means...</p>
  
  <p>NodeId is source code line??</p>
  
  <p>I had suffered for some time with it.. :'(</p>
  
  <p>please see this url-DOM command heightlightNode link:
  <a href="https://developer.chrome.com/devtools/docs/protocol/1.1/dom#command-highlightNode" rel="nofollow">https://developer.chrome.com/devtools/docs/protocol/1.1/dom#command-highlightNode</a></p>