From 33058f2b292b3a581333bdfb21b8f671898c5060 Mon Sep 17 00:00:00 2001 From: Peter Bengtsson Date: Tue, 8 Dec 2020 14:40:17 -0500 Subject: initial commit --- .../api/htmlselectelement/checkvalidity/index.html | 98 ++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 files/zh-cn/web/api/htmlselectelement/checkvalidity/index.html (limited to 'files/zh-cn/web/api/htmlselectelement/checkvalidity') diff --git a/files/zh-cn/web/api/htmlselectelement/checkvalidity/index.html b/files/zh-cn/web/api/htmlselectelement/checkvalidity/index.html new file mode 100644 index 0000000000..c413681dd4 --- /dev/null +++ b/files/zh-cn/web/api/htmlselectelement/checkvalidity/index.html @@ -0,0 +1,98 @@ +--- +title: HTMLSelectElement.checkValidity() +slug: Web/API/HTMLSelectElement/checkValidity +translation_of: Web/API/HTMLSelectElement/checkValidity +--- +
{{ APIRef("HTML DOM") }}
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HTMLSelectElement.checkValidity() 会检查元素是否有任何输入约束条件,并且检查值是否符合约束条件. 如果值是不符合约束条件的, 浏览器就会在该元素上触发一个可以撤销的 {{event("invalid")}} 事件,  然后返回 false.

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Syntax

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var result = selectElt.checkValidity();
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Specifications

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SpecificationStatusComment
{{SpecName('HTML WHATWG', '#dom-cva-checkvalidity', 'HTMLSelectElement.checkValidity()')}}{{Spec2('HTML WHATWG')}}No change since the latest snapshot, {{SpecName('HTML5 W3C')}}.
{{SpecName('HTML5 W3C', 'forms.html#dom-cva-checkvalidity', 'HTMLSelectElement.checkValidity()')}}{{Spec2('HTML5 W3C')}}Initial definition, snapshot of {{SpecName('HTML WHATWG')}}
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Browser compatibility

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{{CompatibilityTable}}
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FeatureChromeEdgeFirefox (Gecko)Internet ExplorerOperaSafari (WebKit)
Basic support{{CompatVersionUnknown}}{{CompatVersionUnknown}}{{CompatGeckoDesktop(2.0)}}10{{CompatVersionUnknown}}{{CompatVersionUnknown}}
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FeatureAndroidChromeEdgeFirefox Mobile (Gecko)Firefox OSIE PhoneOpera MobileSafari Mobile
Basic support{{CompatUnknown}}{{CompatVersionUnknown}}{{CompatVersionUnknown}}{{CompatGeckoMobile(2.0)}}1.0{{CompatUnknown}}{{CompatUnknown}}{{CompatVersionUnknown}}
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See also

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