JSFiddle - React, Tailwind, and code Playground

by MGames

HTML

<div id="hideState" class="ch4_formRow single" style="display: block;">
        <label class="ch4_formLabel ch4-font-bold">
          State&nbsp;<span class="ch4_orange">*</span>
          <div class="ch4_formField fullWidth ch4_hideValid">
            <div class="style-select-wrapper invalid">
      <select id="singleState" name="singleState" onchange="$('#stateField').val(this.value);" required="required" data-error-required="This field is required." data-validate="state" class="invalid">
        <option value="">-----</option>
        <option value="AL">
               Alabama</option>
          <option value="AK">
               Alaska</option>
          <option value="AZ">
               Arizona</option>
          <option value="AR">
               Arkansas</option>
          <option value="CA">
               California</option>
          <option value="CO">
               Colorado</option>
          <option value="CT">
               Connecticut</option>
          <option value="DE">
               Delaware</option>
          <option value="DC">
               District of Columbia</option>
          <option value="FL">
               Florida</option>
          <option value="GA">
               Georgia</option>
          <option value="HI">
               Hawaii</option>
          <option value="ID">
               Idaho</option>
          <option value="IL">
               Illinois</option>
          <option value="IN">
               Indiana</option>
          <option value="IA">
               Iowa</option>
          <option value="KS">
               Kansas</option>
          <option value="KY">
               Kentucky</option>
          <option value="LA">
               Louisiana</option>
          <option value="ME">
               Maine</option>
          <option value="MD">
               Maryland</option>
          <option value="MA">
               Massachusetts</option>
          <option value="MI">
               Michigan</option>
         ...

JavaScript

$("#singleState").val("NY");