jQuery检测文本框中的输入字符数
- WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOriginal
- 2016-06-07 11:43:221354browse
jQuery检测文本框中的输入字符数，显示还可以输入多少字符<title>字数限制</title>
<br>
<style><br />
*{font-size:12px;}<br />
.word{color:#FF3333;}<br />
textarea{width:200px; height:40px;}<br />
</style>
<br>
<script></script><br>
<br>
还可以输入<span>40</span>个字<br><br>
<textarea></textarea><br>
<script><br />
$("#txt").keyup(function(){ <br />
if($("#txt").val().length > 40){<br />
$("#txt").val( $("#txt").val().substring(0,40) );<br />
}<br />
$("#word").text( 40 - $("#txt").val().length ) ;<br />
});<br />
</script><br>
jQuery_Text.zip
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