• 检验密码强度的JS类


    <script type="text/javascript">
            
    var PasswordStrength ={
                Level : [
    "高,实在是高","还行啦","靠,这样也行"],
                LevelValue : [
    30,20,0],//强度值
                Factor : [1,2,5],//字符加数,分别为字母,数字,其它
                KindFactor : [0,0,10,20],//密码含几种组成的加数 
                Regex : [/[a-zA-Z]/g,/\d/g,/[^a-zA-Z0-9]/g] //字符正则数字正则其它正则
                }

            PasswordStrength.StrengthValue 
    = function(pwd)
            
    {
                
    var strengthValue = 0;
                
    var ComposedKind = 0;
                
    for(var i = 0 ; i < this.Regex.length;i++)
                
    {
                    
    var chars = pwd.match(this.Regex[i]);
                    
    if(chars != null)
                    
    {
                        strengthValue 
    += chars.length * this.Factor[i];
                        ComposedKind 
    ++;
                    }

                }

                strengthValue 
    += this.KindFactor[ComposedKind];
                
    return strengthValue;
            }
     
            PasswordStrength.StrengthLevel 
    = function(pwd)
            
    {
                
    var value = this.StrengthValue(pwd);
                
    for(var i = 0 ; i < this.LevelValue.length ; i ++)
                
    {
                    
    if(value >= this.LevelValue[i] )
                        
    return this.Level[i];
                }

            }

           
            alert(PasswordStrength.StrengthLevel(
    "23")); 
            alert(PasswordStrength.StrengthLevel(
    "abcd123"));     
            alert(PasswordStrength.StrengthLevel(
    "abcd!%23"));  
        
    </script>
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  • 原文地址:https://www.cnblogs.com/xiang/p/400164.html
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