Select size attibutu

Na definition da a samuwa

size Attibutu tsa samuwa da kai kai samuwa na baiwaiya na baiwaiya: Size attibutu Dabita na.

Size attibutu na za samuwa yawa na baiwaiya na baiwaiya a samuwa.

Rarraba:A kai Chrome da Safari, size attibutu wa za a samuwa na "2" da "3" za a samuwa kai kai samuwa.

Kai kai koyarwa:

HTML Buku Koyarwa:HTML <select> size ɗanin

HTML Buku Koyarwa:HTML <select> ɗanin

Mafi

Shirin 1

Gyarawa yawa na baiwaiya na baiwaiya:

document.getElementById("mySelect").size = "4";

Kai kai rarraba

Shirin 2

Dabita yawa na baiwaiya na baiwaiya:

var x = document.getElementById("mySelect").size;

Kai kai rarraba

Yanmu

Dabita size attibutu:

selectObject.size

Dabita size attibutu:

selectObject.size = number

属性值

描述
number

规定下拉列表中可见选项的数量。

如果该值大于 1,但小于列表中的选项总数,浏览器会添加滚动条,表示还有更多选项可以查看。

技术细节

返回值: 数值,表示下拉列表中可见选项的数量。

浏览器支持

Chrome Edge Firefox Safari Opera
Chrome Edge Firefox Safari Opera
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