Example 1: Youtube Transcript Highlight

Demonstrate:

- Use of virtual node todo text to speech for handling complex html structure.

- Relation Highlight feature. When you hover into some word, the related word will be highlighted too. Example when you hover into chinese word, the pinyin and english word will be highlighted too and vice versa.

Tips: Just click play on youtube video of hover into some word to see the effect. and try double click into some word to seek the video.