JSFiddle - React, Tailwind, and code Playground

by charaf11

HTML

<select class="adults element">
                <option selected>Adult</option>
                <option value="1">0</option>
                <option value="1">1 (15yr+)</option>
                <option value="2">2 (15yr+)</option>
                <option value="3">3 (15yr+)</option>
                <option value="4">4 (15yr+)</option>
                <option value="5">5 (15yr+)</option>
                <option value="6">6 (15yr+)</option>
</select>

JavaScript

$("select.adults.element").change(function(){

    var oldStr=$("select.adults.element option[value='"+$(this).val()+"']").text();
    
   var newValue = oldStr.replace(" (15yr+)","");
   
    $("select.adults.element option[value='"+$(this).val()+"']").text(parseInt(newValue));
 
});