textarea 超过字数

<textarea name="" id="FashionStatement" cols="" rows=""></textarea>

<div id="statementRowChk"></div>

$('#FashionStatement').val('');

var limitNum = ;

var pattern = '还可以输入' + limitNum + '字';

$('#statementRowChk').html(pattern);

$('#FashionStatement').keyup(

function() {

var remain = $(this).val().length;

if (remain > ) {

pattern = '字数超过限制，请适当删除部分内容';

}

else {

var result = limitNum - remain;

pattern = '还可以输入' + result + '字';

}

$('#statementRowChk').html(pattern);

}

);