JSFiddle - React, Tailwind, and code Playground

by Rich Costello

HTML

<form action="" method="post" id="subnewtopicform" />
                
    
                    Description:
                    <input type="text" name="description" id="#test1"/>
    
    <br/>
                    Category:
    <ul class="list:category categorychecklist form-no-clear" id="categorychecklist">
    
    <li id="category-19"><label class="selectit"><input type="radio" id="in-category-19" name="category" value="19"> Animation</label></li>
    
    <li id="category-20"><label class="selectit"><input type="radio" id="in-category-20" name="category" value="20"> Anime</label></li>
    
    	</ul>
    
                    <input type="submit" value="Submit Topic" class="button-primary" name="subnewtopic" id="subnewtopic" disabled="disabled" /> 
    
                </form>

JavaScript

$("#test1").on("keyup", function(){
    if($(this).val() != "" && $("textarea").val() != "" == true){
        $("input[type='submit']").removeAttr("disabled");
    }
});