jQuery,限制,textarea文本框,输入字符,数量
web前端-js教程
本文实例讲述了jQuery实现限制textarea文本框输入字符数量的方法。分享给大家供大家参考。具体实现方法如下：单机跑得快 源码,ubuntu 18 闪退,怎样判断web爬虫,美颜php,浚县鹤壁seolzw
(function($) { $.fn.extend( { limiter: function(limit, elem) { $(this).on("keyup focus", function() { setCount(this, elem); }); function setCount(src, elem) { var chars = src.value.length; if (chars > limit) { src.value = src.value.substr(0, limit); chars = limit; } elem.html( limit - chars ); } setCount($(this)[0], elem); } });})(jQuery); //To setup the limiter, simply include a call similar to the one below:var elem = $("#chars");$("#text").limiter(100, elem);jeeshop 源码,ubuntu杀死所有进程,python爬虫配置推荐,php rount,栾城区seolzw