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Article Introduction：How to set custom error message with JavaScript? 1. Use the setCustomValidity() method combined with native form verification, and set prompts for specific input conditions through JavaScript. For example, when the username is less than 3 characters, it prompts "the username needs at least 3 characters"; 2. Combine HTML attributes (such as required, pattern) and JS supplementary verification, and return targeted prompts according to different reasons for verification failure. For example, when the email format is inconsistent, "the email must end with @example.com"; 3. Note that after each verification, you need to call setCustomValidity('') to clear the error message and select the appropriate event (input and i)

2025-07-12 comment 0  480

Article Introduction：Laravel provides a variety of advanced data verification technologies, including encapsulating complex logic using custom rule objects, reusing verification rules using form requests, implementing conditional verification through sometimes methods, and uniqueness checking in combination with database rules. First, create a custom rule class through make:rule and define logic in passes() and message() methods, so complex verification such as age limit can be achieved; second, create a form request class using make:request to separate the verification logic and directly inject it into the controller to improve the code organization structure; third, call the sometimes() method to dynamically decide whether to verify a certain field based on the input value, which is suitable for dynamic forms

2025-07-02 comment 0  160

Article Introduction：The key to using HTML templates is to understand the structure and modify the key points. First, understand that the template consists of index.html, CSS, JS files and picture folders. Checking the code structure helps position the modification area; second, when replacing the content, find the correct position, including title, paragraph, link, image path, etc., and pay attention to the consistency of the resource directory; then adjust the style by modifying the CSS class name or attribute, and realize style switching without rewriting the code; finally, test the web page function and check whether the link jump, image loading, form submission and mobile display are normal, and ensure that there are no path errors or label omissions before going online to deploy.

2025-07-07 comment 0  976

Article Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...

2025-01-10 comment 0  662

Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w

2025-01-10 comment 0  793

Article Introduction：Conditional Column CountingConsider a table named "Jobs" structured as follows:jobId, jobName, Prioritywhere "Priority" is an integer between 1...

2025-01-10 comment 0  806

Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI What is the Interview Questions CLI? The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview

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Article Introduction：Improved Methods for Trimming Leading Zeros in SQL ServerThe conventional approach for trimming leading zeros in SQL Server involves employing the...

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Article Introduction：ShouldSerialize() vs Specified Conditional Serialization PatternConditional serialization is crucial to selectively control serialization...

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Article Introduction：Recursive Query Resulting in Recursion Depth Limit ExceededThis query faced a recurring error due to exceeding the maximum recursion limit of 100....

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Article Introduction：Soft Deletes: A Question of DesignThe topic of soft deletes, a mechanism that "flags" records as deleted instead of physically removing them, has...

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Article Introduction：JavaScriptSerializer.Deserialize: Mapping Field Names in JSON to .Net Object PropertiesQuestion:How can you map a field name in JSON data to a...

2025-01-10 comment 0  475

Article Introduction：Rotating an Image in WinFormsThis question addresses the need to rotate an image within a Windows Forms application, particularly for indicating...

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Article Introduction：Database Table Update: Aligning Columns with Referenced ValuesYour question pertains to updating a database table where the QuestionID column...

2025-01-10 comment 0  800

Article Introduction：Conditional Serialization Patterns: ShouldSerialize() vs. SpecifiedIntroductionXmlSerializer offers two patterns for conditionally serializing...

2025-01-10 comment 0  663

Article Introduction：Soft Deletes: A Boon or a Bane?The question of soft deletes, an alternative to permanent data deletion, has elicited diverse opinions within the...

2025-01-10 comment 0  636

Article Introduction：There are a lot of crafting stations that you can make in Terraria. This ranges from simple anvils to unique stations meant for one specific type of resource. Early into the game, you'll be able to make your own Loom, which is primarily used to make

2025-01-10 comment 0  1323

Article Introduction：Printing VARCHAR(MAX) using Print StatementYou have a code that involves fetching a VARCHAR(MAX) value (@Script) and then printing it using two...

2025-01-10 comment 0  1308

Article Introduction：There are an abundance of job roles to try in Bitlife, and while the best jobs are those that land you with lots of fame and money — such as becoming a Model or an Astronaut — there are plenty other, simpler jobs to get you by. There’s

2025-01-10 comment 0  568

Article Introduction：The Snippets panel in Chrome DevTools is a powerful tool that often gets overlooked. Snippets allows a developer to write, save, and run custom JavaScript code directly in the browser. This feature can be helpful to experiment, debug, and demo JavaS

2025-01-10 comment 0  1303