html中实现数据的显示和隐藏
来源：代码学苑
作者：
2020-06-18
<!DOCTYPE html><html><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><head><title>demo</title><script>var obj = document.getElementById("div_id");function hideOrShowEvent(){var obj= document.getElementById("div_id");if(obj.style.display=="block"){ //如果是显示则隐藏obj.style.display="none";}else{ //如果是隐藏则显示obj.style.display="block";}}</script></head><body><div id="div_id" style="border:1px solid red;display:block;" > 这里是内容 </div><button type="button" onclick=hideOrShowEvent()> 点击隐藏或显示 </button></body></html>