JSFiddle - React, Tailwind, and code Playground

HTML

<div class="notice_info">
  <input type=checkbox id= "userj_neednotice" checked=true  />
   <div class='check_box_notice_content'>
    abcdefg           
  </div>
</div>

JavaScript

function checkVisible(){
		$(".check_box_notice_content").toggle(this.checked==true); 
}

checkVisible.call($('#userj_neednotice').change(checkVisible)[0]);