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<script language=javascript>
function gbcount(message,total,used,remain) { var max; max = total.value; if (message.value.length > max) { message.value = message.value.substring(0,max); used.value = max; remain.value = 0; alert("内容不允许超过 1000 个字!"); } else { used.value = message.value.length; remain.value = max - used.value; } } </script> <form> <textarea class=cnone name="contents" onmousedown="this.className=‘cdown‘" onmouseover="this.className=‘cup‘" onmouseout="this.className=‘cnone‘" onkeydown=gbcount(this.form.contents,this.form.total,this.form.used,this.form.remain); onkeyup=gbcount(this.form.contents,this.form.total,this.form.used,this.form.remain); cols="80" rows="8" wrap="VIRTUAL" id="contents"> </textarea> 最多字数：<INPUT class=cnone disabled maxLength=4 name=total size=3 value=1000> 已用字数：<INPUT class=cnone disabled maxLength=4 name=used size=3 value=0> 可用字数：<INPUT class=cnone disabled maxLength=4 name=remain size=3 value=1000> </form> <script language=javascript>
function gbcount(message,total,used,remain) { var max; max = total.value; if (message.value.length > max) { message.value = message.value.substring(0,max); used.value = max; remain.value = 0; alert("内容不允许超过 1000 个字!"); } else { used.value = message.value.length; remain.value = max - used.value; } } </script> <form> <textarea class=cnone name="contents" onmousedown="this.className=‘cdown‘" onmouseover="this.className=‘cup‘" onmouseout="this.className=‘cnone‘" onkeydown=gbcount(this.form.contents,this.form.total,this.form.used,this.form.remain); onkeyup=gbcount(this.form.contents,this.form.total,this.form.used,this.form.remain); cols="80" rows="8" wrap="VIRTUAL" id="contents"> </textarea> 最多字数：<INPUT class=cnone disabled maxLength=4 name=total size=3 value=1000> 已用字数：<INPUT class=cnone disabled maxLength=4 name=used size=3 value=0> 可用字数：<INPUT class=cnone disabled maxLength=4 name=remain size=3 value=1000> </form> |
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