How do you feel about setting your request values right there inline?

STATIC
<button hx-get="/my/weather/data"
              hx-trigger="click"
              hx-vals='{"location": "01245"}'>
   Click for weather in one static location
</button>

DYNAMIC
<button hx-get="/my/weather/data"
              hx-trigger="click"
              hx-vals='js:{location: document.getElementById("zipcode").value}'>
   Click for weather in one static location
</button>

OR
<button hx-get="/my/weather/data"
              hx-trigger="click"
              hx-vals='js:{location: someJavascriptCalculationFunction()}'>
   Click for weather in one static location
</button>