使用 JavaScript 进行密码匹配

给定两个框，即密码和确认密码。任务是检查输入的密码是否匹配。

它用于在线申请表或社交网站注册帐户以验证用户输入的密码是否正确。这是验证密码匹配的简单方法。第一个密码存储在密码1 变量中，确认密码存储在密码 2变量中。然后检查两个变量值是否相等，然后密码匹配，否则密码不匹配。

以下是上述方法的实现：

    
        
          
            // Function to check Whether both passwords
            // is same or not.
            function checkPassword(form) {
                password1 = form.password1.value;
                password2 = form.password2.value;
  
                // If password not entered
                if (password1 == '')
                    alert ("Please enter Password");
                      
                // If confirm password not entered
                else if (password2 == '')
                    alert ("Please enter confirm password");
                      
                // If Not same return False.    
                else if (password1 != password2) {
                    alert ("\nPassword did not match: Please try again...")
                    return false;
                }
  
                // If same return True.
                else{
                    alert("Password Match: Welcome to GeeksforGeeks!")
                    return true;
                }
            }
        
        
            .gfg {
                font-size:40px;
                color:green;
                font-weight:bold;
                text-align:center;
            }
            .geeks {
                font-size:17px;
                text-align:center;
                margin-bottom:20px;
            }
        
    
    
        GeeksforGeeks
        A computer science portal for geeks
        
        
            
                
                
                
            
                
                
                
            
                
                
                
            
            
                
            
        Username:
            Password:
            Confirm Password:
                
        
    
                    

输出：