fix bugzilla#189846:The preview will lead the eclipse has no response for a
- Bugzilla Bug (s) Resolved:
1. use isDebugging() method to quick check debug state, this will skip the
construction for required arguments, which may be costly in some case.
2. use node.textContent to retrieve complete content for firefox, instead of
large strings. this greatly improved the viewer performance in fireforx.
- Tests Description :
- Notes to Build Team:
- Notes to Developers:
- Notes to QA:
- Notes to Documentation:
- Files Edited:
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- Files Deleted