JSFiddle - React, Tailwind, and code Playground

HTML

<script type="text/javascript">
$(function() {
    $("#issue_ta").on('change keyup', function() {
        $("input.cmb").prop("disabled", this.value.length); 
    });
});
</script>

Comments:<br />
<p><textarea name="issue" id="issue_ta" cols="50" rows="10" class="help" tabindex="2" title="Enter Detailed Description" ></textarea></p>
<p><input name="no_issue" type="checkbox" id="no_issue" class="cmb" />No Issues to Report</p>
<p class="label">Enter Current Vehicle Mileage:</p>
<p><input type="tel" name="record_mileage" class="required" tabindex="3" title="&nbsp;Enter Current Mileage&nbsp;" size="25"/></p>
<p><input type="submit" name="Submit" value="Send"/></p>
</form>