jquery dynamically adjust textarea height_jquery

The revised version of Script House needs to be refreshed after running, because jquery is called externally.

<title>jquery event, animation 1</title> <style type="text/css"> <!-- #Control { width:100px; background-color:Red; margin:0; cursor:pointer; } --> </style> <div id="v_show"> <div id="Control"> <span id="smalll"> </span> <span id="big">Zoom out</span> </div>Zoom in<div> <textarea id="content" rows="8" cols="50"> Seven years of in-depth interviews in Hong Kong, San Francisco, Taiwan and three places, more than 50 classic collection posters and stills, Brigitte Lin in the mouth of Brigitte Lin, a big star and the girl next door in the eyes of celebrity friends; the kindest and most diligent Asia's number one beauty... Die-hard fans across borders and Japanese senior journalists personally visited Brigitte Lin's friends and veteran filmmakers Tsui Hark and his wife, Yu Zhengchun, Song Cunshou, Lai Shengchuan, Du Kefeng, Xu Anhua, Wang Jing, Leslie Cheung, Qiong Yao, etc. to fully present "Asia's most beautiful woman" Brigitte Lin 22 years, 100 Chinese classic movies, behind the scenes and the secret life of half-time movie stars. Script House is a professional website that collects all kinds of script learning materials. We try our best to correct errors and create a high-quality script learning website. We provide you with game script resources, source code, software, asp, php, javascript and other programming materials. It is a web page production. A gathering place for network programming and website construction people. www.jb51.net Seven years of in-depth interviews in Hong Kong, San Francisco, Taiwan and three places, more than 50 classic collection posters and stills, Brigitte Lin in the mouth of Brigitte Lin, a big star and the girl next door in the eyes of celebrity friends; the kindest and most diligent Asia's number one beauty... Die-hard fans across borders and Japanese senior journalists personally visited Brigitte Lin's friends and veteran filmmakers Tsui Hark and his wife, Yu Zhengchun, Song Cunshou, Lai Shengchuan, Du Kefeng, Xu Anhua, Wang Jing, Leslie Cheung, Qiong Yao, etc. to fully present "Asia's most beautiful woman" Brigitte Lin 22 years, 100 Chinese classic movies, behind the scenes and the secret life of half-time movie stars.
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If you need to introduce external Js, you need to refresh to execute
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The difficulty above is that$Content.animate({height:" =50"},400)Increments the height by 50 every 400 milliseconds.