这是一款十分简洁的带有星级评论按钮，美化textarea评论表单代码，jQuery星级评论表单代码，jQuery星星打分特效。

js代码
<script type=\”text/javascript\”>
$(function () {

$(\’.text-area-input\’).click(function () {
if ($(this).val() == \’请输入评论内容……\’) {
$(this).css({
color: \’#000000\’
}).val(\’\’)
}
});

//离开的时候
$(\’.text-area-input\’).blur(function () {
var iNum = $(this).val().length;
var fixedLength = 20;//固定长度
if (iNum < fixedLength) {
$(\’.text-area-input-length span\’).html(fixedLength – iNum);
} else {
$(this).val($(this).val().substr(0, fixedLength – 1));//截取长度
$(\’.text-area-input-length span\’).html(iNum – fixedLength);
}
});

//按下的时候
$(\’.text-area-input\’).keydown(function () {
var iNum = $(this).val().length;
var fixedLength = 20;//固定长度
if (iNum < fixedLength) {
$(\’.text-area-input-length span\’).html(fixedLength – iNum);
} else {
$(this).val($(this).val().substr(0, fixedLength – 1));//截取长度
$(\’.text-area-input-length span\’).html(iNum – fixedLength);
}
});

$(\’.text-area-bottom a\’).click(function () {
var star = $(\’input[name=star]:checked\’).val();
var content = $(\’textarea[name=content]\’).val();
alert(content);
});

$(\’.text-area-star label\’).click(function () {
var labelLength = $(\’.text-area-star label\’).length;
for (var i = 0; i < labelLength; i++) {
if (this == $(\’.text-area-star label\’).get(i)) {
$(\’.text-area-star label\’).eq(i).addClass(\’red\’);
} else {
$(\’.text-area-star label\’).eq(i).removeClass(\’red\’);
}
}
});

});
</script>