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HTML5 small Interesting Knowledge Point series (i) required

Source: Internet
Author: User
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All know this property is to check whether you fill in the field that is to say we do not have to determine whether the value of the input is empty.

However, this property must be combined with the form to use a separate use is not possible

<!DOCTYPE HTML><HTMLLang= "en"><Head>    <MetaCharSet= "UTF-8">    <title>Required</title></Head><Body>    <formAction=""Method= "Get">        <inputtype= "text"Required= "Required">        <inputtype= "Submit"value= "Submit">    </form></Body></HTML>

HTML5 small Interesting Knowledge Point series (i) required

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