You can expand all descendants under a given DOM node in one go, to avoid having to expand each node one by one, which may take a while.
- In Chrome and Edge
- Right-click on the node you want to expand and select "Expand recursively". You can also 
alt+clickoroption+clickon the arrow next to the node. 
 - Right-click on the node you want to expand and select "Expand recursively". You can also 
 - In Firefox and Safari
- Right-click on the node you want to expand and select "Expand All". You can also 
alt+clickoroption+clickon the arrow next to the node. 
 - Right-click on the node you want to expand and select "Expand All". You can also 
 
