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请输入英文单字，中文词皆可：

required    音标拼音: [rikw'ɑɪɚd] [rikw'ɑɪrd]
所要求的

所要求的

required
需求

required
adj 1: necessary for relief or supply; "provided them with all
things needful" [synonym: {needed}, {needful}, {required},
{requisite}]
2: required by rule; "in most schools physical education is
compulsory"; "attendance is mandatory"; "required reading"
[synonym: {compulsory}, {mandatory}, {required}]

Require \Re*quire"\ (r?-kw?r"), v. t. [imp. & p. p. {Required}
(-kw?rd"); p. pr. & vb. n. {Requiring}.] [OE. requeren,
requiren, OF. requerre, F. requ?rir; L. pref. re- re-
quaerere to ask; cf. L. requirere. See {Query}, and cf.
{Request}, {Requisite}.]
1. To demand; to insist upon having; to claim as by right and
authority; to exact; as, to require the surrender of
property.
[1913 Webster]

Shall I say to Caesar
What you require of him? --Shak.
[1913 Webster]

By nature did what was by law required. --Dryden.
[1913 Webster]

2. To demand or exact as indispensable; to need.
[1913 Webster]

Just gave what life required, and gave no more.
--Goldsmith.
[1913 Webster]

The two last [biographies] require to be
particularly noticed. --J. A.
Symonds.
[1913 Webster]

3. To ask as a favor; to request.
[1913 Webster]

I was ashamed to require of the king a band of
soldiers and horsemen to help us against the enemy
in the way. --Ezra viii.
22.
[1913 Webster]

Syn: To claim; exact; enjoin; prescribe; direct; order;
demand; need.
[1913 Webster]


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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 :
  • 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
  • asp. net mvc - How to add required attribute to mvc razor viewmodel . . .
    You can use the required html attribute if you want: @Html TextBoxFor(m => m ShortName, new { @class = "form-control", placeholder = "short name", required="required"}) or you can use the RequiredAttribute class in Net With jQuery the RequiredAttribute can Validate on the front end and server side
  • How to fix the Required field in powerapps? - Stack Overflow
    Find Required property of datacard and make it true Required property will be in advance properties Same way in the Edit Form make it false; If you want to make it dynamic for an instance if user check the CheckBox1 then only ComboBox should be Required, try to put below formula in OnCheck property of CheckBox1 UpdateContext({Variable1:true})
  • Using the HTML5 required attribute for a group of checkboxes?
    When using the newer browsers that support HTML5 (FireFox 4 for example); and a form field has the attribute required='required'; and the form field is empty blank; and the submit button is clicked
  • Set custom HTML5 required field validation message
    Required field custom validation I have one form with many input fields I have put html5 validations
  • Cannot build CMake project because Compatibility with CMake lt; 3. 5 has . . .
    The documentation does not mention it yet, but there is now (as of 2025-02-20, commit 33856b1d62e5311f456c458295ccc900eb9a38f0, should be in any CMAKE >= 4 0-rc2) an
  • 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
  • How to use the required attribute with a radio input field
    Specify "required" keyword in one of the select statements If you want to change the default way of its appearance You can follow these steps This is just for extra info if you have any intention to modify the default behavior Add the following into you css file * style all elements with a required attribute * :required { background: red; }
  • How do I make parameters mandatory in PowerShell?
    just wanted to post another solution, since i find param( ) blocks kind of ugly looks like this code:





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