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安裝中文字典英文字典辭典工具!
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- validation - How to Indicate Required Fields? - Stack Overflow
Mark 'optional' fields, not 'required' fields Warning: Nielsen Norman thinks opposite = asterix everywhere See theirs article or video and make your own opinion Source: Form fields — Required vs Optional by Jordane Sanson Why use optional fields is always better than required :
- html - required or required = required - Stack Overflow
Required This attribute specifies that the user must fill in a value before submitting a form It cannot be used when the type attribute is hidden, image, or a button type (submit, reset, or button) The :optional and :required CSS pseudo-classes will be applied to the field as appropriate MDN
- forms - How do I make a field required in HTML? - Stack Overflow
Correct me if I'm wrong but, if ever I run the code in the browser and click the button without any value in the textbox it should have a tooltip showing that that field was required, shouldn't it? But nothing happens no matter how many times you click the button Am I misunderstood on how to use the required attribute?
- How to set HTML5 required attribute in Javascript?
So if required weren't reflected, you'd set it by adding the attribute: element setAttribute("required", ""); which is the equivalent of element required = true You'd clear it by removing it entirely: element removeAttribute("required"); which is the equivalent of element required = false
- . net - required vs [Required] in C# 11 - Stack Overflow
C# 11 has introduced, required modifier, which can be used a below: public required string FirstName { get; init; } public required string LastName { get; init; } [Required] public required string FirstName { get; init; } Just wanted to understand the difference between [Required] attribute and required modifier
- as required vs if required | WordReference Forums
"if required" means that the item requirement might be necessary For instance: "I don't know the club rules but I'll bring the dog lead if required" - the rule might exist, you're not sure This second sentence could have the meaning changed by saying: "I do know the club rules so I'll bring the dog lead as required"
- Use CSS to automatically add required field asterisk to form inputs . . .
On a site with thousands of required fields, I can move the asterisk in front of the input with one change to one line (:after to :before) or I can move it to the end of the label ( required label:after) or in front of the label, or to a position on the containing box, etc
- Conditionally required property using data annotations
public abstract class Document or interface, whichever is appropriate for you { some non-validted common properties } public class ValidatedDocument : Document { [Required] public string Name {get;set;} } public class AnotherValidatedDocument : Document { [Required] public string Name {get;set;} I would suggest finding a descriptive name
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