html textarea 禁止拉伸

给textarea 设置css . 

resize: both;   //纵横拉伸

resize: horizontal; //水平拉伸

resize: vertical; // 垂直拉伸

resize: none; // 禁止拉伸

CSS:

textarea {
  resize: none; /* Disables resizability */
}

HTML:

<textarea>Type some text here.</textarea>

参考连接:

https://developer.mozilla.org/en-US/docs/Web/CSS/resize

https://developer.mozilla.org/en-US/docs/Web/HTML/Element/textarea