JSFiddle - React, Tailwind, and code Playground
by KelseyW
HTML
<select id="single">
<option>Single</option>
<option>Single2</option>
</select>
<select id="multiple" multiple="multiple">
<option selected="selected">Multiple</option>
<option>Multiple2</option>
<option selected="selected">Multiple3</option>
</select>
<br>
<input type="checkbox" name="checkboxname" value="check1"> check1
<input type="checkbox" name="checkboxname" value="check2"> check2
<input type="radio" name="r" value="radio1"> radio1
<input type="radio" name="r" value="radio2"> radio2
<br>
CSS
body { font-family: Tahoma;}
JavaScript
$( "#single" ).val( "Single2" );
$( "#multiple" ).val([ "Multiple2", "Multiple3" ]);
$( "input").val(["check1","check2","radio1"]);