javascript往textarea追加内容

 <html>

 <body>

<textarea id="content"></textarea>

<script>

var ele = document.getElementById("content");

ele.value = ele.value + "追加精彩内容";

</script>

 </body>

</html>

原文地址:https://www.cnblogs.com/chenweichu/p/5736978.html