比较平滑的js控制textaera的高度

ttx9n · 发表于 2008-7-26 12:54:08

textarea高度控制代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>佐佐制造 --textarea---addheight</title> 
<style type="text/css"> 
/* Reset style */ 
* { margin:0; padding:0; word-break:break-all; } 
body { background:#FFF; color:#333; font:12px/1.4em Helvetica, Arial, sans-serif; } 
h1, h2, h3, h4, h5, h6 { font-size:1em; } 
a { color:#333; text-decoration:none; } 
    a:hover { text-decoration:underline; } 
ul, li { list-style:none; } 
fieldset, img { border:none; } 
input, textarea, select, button { font:12px Helvetica, Arial, sans-serif; } 
.button { padding:0 10px; height: 22px; border: 1px solid; border-color: #EEE #999 #999 #EEE; background: #DDD; color: #333; line-height: 20px; cursor: pointer; margin-left:2px; } 
.submit { padding:0 10px; height: 22px; border: 1px solid; border-color: #DDD #CC8305 #CC8305 #DDD; background: #FFA200; color: #FFF; line-height: 20px; letter-spacing: 1px; cursor: pointer; } 
/* edit style */ 
#edit { width:300px; margin:50px; } 
    .edit_caption { width:100%; overflow:hidden; margin-bottom:1px; overflow:hidden; } 
    .edit_caption span { display:block; float:left; margin:0 1px; padding:4px 10px; background:#DDD; cursor:pointer; } 
    .edit_caption span:hover { background:#EEE; } 
    #edit textarea { width:300px; height:80px; margin:0; padding:0; } 
</style> 
<script type="text/javascript"> 
var addH=1; 
function addHeight() { 
  if (!document.getElementById('comment_content')) return flase; 
    var comment = document.getElementById('comment_content'); 
    var nowH = parseInt(comment.style.height); 
    if (nowH < 250) {     
        nowH+=2; 
        comment.style.height=nowH+"px"; 
        addH++; 
        if (addH > 25){  
            addH=1; 
        } else { 
        window.setTimeout("addHeight()","10"); 
        } 
    } 
} 
function minHeight() { 
  if (!document.getElementById('comment_content')) return flase; 
    var comment = document.getElementById('comment_content'); 
    var nowH = parseInt(comment.style.height); 
    if (nowH > 50) { 
        nowH-=2; 
        comment.style.height=nowH+"px"; 
        addH++; 
        if (addH > 25){  
            addH=1; 
        } else { 
        window.setTimeout("minHeight()","10"); 
        } 
    } 
} 
</script> 
</head> 
<body> 
 
     
        放大 
        缩小 
     
    <textarea id="comment_content" tabindex="1" rows="8" name="comment_content" style="height:100px"></textarea> 
 
</body> 
</html>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]

64000928 · 发表于 2022-11-3 07:11:06

非常vbcbvcvbvcb

3mfwk4yf · 发表于 2022-12-29 21:39:59

8888888888888888

gc4hg · 发表于 2023-1-19 14:19:27

还不错啊

0vwrdf6 · 发表于 2023-9-14 20:52:02

还不错啊

j__j33p · 发表于 2024-7-27 08:36:28

哟哟哟哟哟以偶

溪谷小兵 · 发表于 2024-7-27 22:22:08

收下来看看怎么样

5ble0ks · 发表于 2024-9-7 03:24:29

啦啦啦啦啦啦啦啦！

fwn2rd · 发表于 2024-9-25 06:43:06

撒旦撒旦撒擦擦擦擦

5cf304mn2 · 发表于 2024-9-30 17:52:54

很不错的样子

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[JavaScript] 比较平滑的js控制textaera的高度

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