<a href="./lookup?item={{=db.id}}">

result: /lookup?item=1

 

                    <a href={{=URL('lookup',args=db.id)}}>

result: /lookup/1

 

                    <a href="{{=URL('lookup', vars={'item':db.id})}}">

result: /lookup?item=1


Just wondering, is there any benefit from using one method over the others? 
I plan on retrieving the URL args/vars on the webpage. For me the 1st one 
seems like the simplest but no difference vs the 3rd. So why would people 
use the 3rd over the 1st when linking? 

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