title: How to use fiddler to debug?
body: <p>I have a webpage when it finished on the left bottom there's a warning says:Done, but with errors on the page. I double click it and it told me:</p>
  
  <pre><code>Line:628
  Char:100
  Error: Expected ')'
  Code: 0
  URL:.....
  </code></pre>
  
  <p>I knew Fiddler is a good tool to debug. I download it and try to debug. The line IE told me I just can't find anything that's missing ')'</p>
  
  <p>Can someone tell me how to debug this?</p>