摘要： jqyery与javascript实现字符数限制功能<style>/*demo css教程*/fieldset{border:1px solid #ccc;width:720px}fieldset legend{ background:#a40000; color:#fff;text-align:center; padding:0 8px; margin-left:25px}fieldset form{background:#eee; border:1px solid #ccc;margin:10px; padding:10px 10px 0}fieldset form texta 阅读全文