Jquery限制字符输入插件--Java学习网

时间：2016-8-15 12:43:07

　　核心提示：$(function() { $.fn.manhuaInputLetter = function(options) {var defaults = { len : 200,showId : 'show...
$(function() {      
    $.fn.manhuaInputLetter = function(options) {
        var defaults = {            
            len : 200,
            showId : "show"
        };
        var options = $.extend(defaults,options);   
        var $input = $(this);       
        var $show = $("#"+options.showId);
        $show.html(options.len);
        $input.live("keydown keyup blur",function(e){                       
            var content =$(this).val();
            var length = content.length;
            var result = options.len - length;
            if (result >= 0){
                $show.html(result);
            }else{
                $(this).val(content.substring(0,options.len))
            }
        }); 
    }   
});
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