//ie textarea不支持maxlength
$(‘#verify_note‘).bind(‘input propertychange‘, function() {
if (this.value.length > 100) {
this.value = this.value.substr(0, 100);
}
});
ie textarea不支持maxlength textarea限制长度
原文：http://www.cnblogs.com/gaoyinghui/p/4324137.html