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longDesc Property

DHTML文档教程

Sets or retrieves a Uniform Resource Identifier (URI) to a long description of the object.

dhtml语法

HTMLN/A
Scriptingobject.longDesc(v) [ = sDesc ]

DHTML可能的值

sDescString that specifies or receives the URI.

The property is read/write. The property has no default value.

Remarks

Note  The long description supplements the shorter description specified by the alt attribute.

是否符合公共标准

This property is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 Non-Microsoft link.

Applies To

FRAME, IFRAME, IMG