600 Part III . Document Objects Reference In (Web design seattle)
600 Part III . Document Objects Reference In NN3+ and IE4+, you can adjust this value downward after the document loads. This is one way to decrease the number of options in a list. Setting the value to 0 causes the SELECT object to empty but not disappear. On the CD-ROM Example on the CD-ROM Related Item: options property. multiple Value: Boolean Read/Write NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5 Compatibility . . . . The multiple property represents the MULTIPLE attribute setting for a SELECT element object. If the value is true, the element accepts multiple selections by the user (for example, Ctrl+clicking in Windows). If you want to convert a pop-up list into a multiple SELECT pick list, you must also adjust the size property to direct the browser to render a set number of visible choices in the list. On the Example on the CD-ROM CD-ROM Related Item: size property. options[index] Value: Array of OPTION element objects Read-Only NN2 NN3 NN4 NN6 IE3/J1 IE3/J2 IE4 IE5 IE5.5 Compatibility . . . You typically don t summon this property by itself. Rather, it is part of a reference to a specific option s properties (or methods in later browsers) within the entire SELECT object. In other words, the optionsproperty is a kind of gateway to more specific properties, such as the value assigned to a single option within the list. In early versions of NN, displaying an alert that referenced the options array showed the HTML for the options. But more recent browsers simply return an indication that the value is an object. In newer browsers (IE4+ and NN6+), you can reference individual options as separate HTML element objects. These references do not require the reference to the SELECT.options[index]
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