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Button to set selected option in Vue

I have a button:

<button>
  Small car
</button>

When clicked it should set the option of a dropdown to "Small car".

<select>
  <option value="smallcar">Lille personbil</option>
  <option value="mediumcar">Lille varevogn</option>
  <option value="largecar">Mellem varevogn</option>
</select>

It seems simple, but I have no clue.

If you want to change the selected value of a select>, You need to write a JavaScript script.
To change the selected value of a select> in JavaScript:

document.getElementById('selectId').value= 0;

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