The multiple attribute is a boolean attribute.When present, it specifies that multiple options can be selected at once.Selecting multiple options vary in different operating systems and browsers:For windows: Hold down the control (ctrl) button to select multiple options For Mac: Hold down the ...
Sets whether more than one item from a list can be selected. The select element, or the selection list of the keygen element allows simple or multiple selection, depending on the state of the MULTIPLE attribute.
<select id='disabled-attribute' disabled='disabled' multiple='multiple'> <option value='elem_1'>elem 1</option> <option value='elem_2'>elem 2</option> <option value='elem_3'>elem 3</option> <option value='elem_4'>elem 4</option> ... <option value='elem_100'>elem 100</option...
getAttributeNode 获取由 attribute.name 属性引用的 attribute 对象。 getBoundingClientRect 获取指定 TextRectangle 对象集合绑定的对象。 getClientRects 获取描述对象内容或客户区内布局的矩形集合。每个矩形都描述了一条直线。 getElementsByTagName 获取基于指定元素名称的对象集合。 getexpression_r 获取给定属性的表达式。
<!doctypehtml> <htmllang="en"> <head> <metacharset="utf-8"> <title>attributeMultiple demo</title> <scriptsrc="https://code.jquery.com/jquery-3.7.1.js"></script> </head> <body> <inputid="man-news"name="man-news"> <inputname="milkman"> ...
}/* <a> elements whose class attribute contains the word "logo" */a[class~="logo"]{padding:2px; } a{color: blue; }/* Internal links, beginning with "#" */a[href^="#"]{background-color: gold; }/* Links with "example" anywhere in the URL */a[href*="example"]{background-...
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Permitted ARIA rolesmenuwithnomultipleattribute andnosizeattribute greater than 1, otherwise norolepermitted DOM interfaceHTMLSelectElement Specifications Specification HTML #the-select-element See also Events fired by<select>:change,input The<option>element ...
@Component({ selector: 'app-example', templateUrl: 'example.component.html', styleUrls: ['example.component.css'], imports: [IonItem, IonList, IonSelect, IonSelectOption],})export class ExampleComponent {}Multiple SelectionBy adding the multiple attribute to select, users are able to ...
html <selectclass="form-select"multiplearia-label="multiple select example"><optionselected>Open this select menu</option><optionvalue="1">One</option><optionvalue="2">Two</option><optionvalue="3">Three</option></select> As is thesizeattribute: ...