passwordStrength-min.js 1.3 KB

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  1. (function(a){a.fn.passwordStrength=function(b){b=a.extend({},a.fn.passwordStrength.defaults,b);this.each(function(){var d=a(this),e=0,c=false,f=a(this).parents("form").find(".passwordStrength");d.bind("keyup blur",function(){e=a.fn.passwordStrength.ratepasswd(d.val(),b);e>=0&&c==false&&(c=true);f.find("span").removeClass("bgStrength");if(e<35&&e>=0){f.find("span:first").addClass("bgStrength")}else{if(e<60&&e>=35){f.find("span:lt(2)").addClass("bgStrength")}else{if(e>=60){f.find("span:lt(3)").addClass("bgStrength")}}}if(c&&(d.val().length<b.minLen||d.val().length>b.maxLen)){b.showmsg(d,d.attr("errormsg"),3)}else{if(c){b.showmsg(d,"",2)}}b.trigger(d,!(e>=0))})})};a.fn.passwordStrength.ratepasswd=function(c,d){var b=c.length,e;if(b>=d.minLen&&b<=d.maxLen){e=a.fn.passwordStrength.checkStrong(c)}else{e=-1}return e/4*100};a.fn.passwordStrength.checkStrong=function(d){var e=0,b=d.length;for(var c=0;c<b;c++){e|=a.fn.passwordStrength.charMode(d.charCodeAt(c))}return a.fn.passwordStrength.bitTotal(e)};a.fn.passwordStrength.charMode=function(b){if(b>=48&&b<=57){return 1}else{if(b>=65&&b<=90){return 2}else{if(b>=97&&b<=122){return 4}else{return 8}}}};a.fn.passwordStrength.bitTotal=function(b){var d=0;for(var c=0;c<4;c++){if(b&1){d++}b>>>=1}return d};a.fn.passwordStrength.defaults={minLen:0,maxLen:30,trigger:a.noop}})(jQuery);