How about a trade offer?

Question

1C-Bitrix

Hello!
There is a product, there are 3 selects
1 property Diameter

<select>
<option>55</option>
<option>60</option>
<option>65</option>
<option>70</option>
</select>

2 property Sphere

<select>
<option>-12.5</option>
<option>-12.0</option>
<option>-11.5</option>
<option>-11.0</option>
</select>

3 property Cylinder

<select>
<option>10</option>
<option>9</option>
<option>8</option>
<option>7</option>
</select>

Output is not a problem) so I blunted something, how can I understand which product was chosen after?)

Answer 1

Use jQuery, when filling in all selects, send an AJAX request to the server, determine the product by parameters, display the product on the page.