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Hiermenus Go Forth, III:
Version 4 - The External Arrays - Menu and Item Parameters

Element 5 - item_has_child

Description

Specifies the existence of a child menu associated with the item. The child menu appears when the user mouses over the item. Depending on the values of top_more_images_visible and tree_more_images_visible, a "more" image may be included in the item.

Value

Boolean
May be specified as:

• true Boolean (true / false)
• integer Boolean (1 / 0)
• string JS expression to be evaluated

Example Values

true Boolean: true

The item has an associated child menu.

true Boolean: false

The item does not have a child menu.

integer Boolean: 1

The item has an associated child menu.

integer Boolean: 0

The item does not have a child menu.

JS expression (function call): "getChildMenu()"

A custom function that you have created is called. The return value of this function will be assigned to the item_has_child parameter.

JS expression (complete statement): "IE4"

A child menu will be created and appear only if Explorer is being used.

 

The menu has two items with child menus (the first two.) The menu arrays looks like this:

HM_Array1 = [
[...],
["DHTML DYNOMAT","http://www.webref.com/dhtml/dynomat/",1,0,1],
["DHTML DINER","http://www.webref.com/dhtml/diner/",1,0,1],
["HIERMENUS","http://www.webref.com/dhtml/hiermenus/",1,0,0],
["ABOUT","http://www.webref.com/dhtml/about.html",1,0,0],
["LINKS","http://www.webref.com/dhtml/links.html",1,0,0],
["WEB APPS","http://www.webref.com/dhtml/webapps/",1,0,0]
]

HM_Array1_1 = [
[],
["Dialogs","http://www.webref.com/dhtml/dynomat/dialogs/",1,0,0],
["Fader","http://www.webref.com/dhtml/dynomat/fader/",1,0,0],
["HM3","http://www.webref.com/dhtml/dynomat/hiermenus3/",1,0,0]
]

HM_Array1_2 = [
[],
["NS Resize","http://www.webref.com/dhtml/diner/resize/",1,0,0],
["Tooltips","http://www.webref.com/dhtml/diner/titletog/",1,0,0],
["IE Page Coords","http://www.webref.com/dhtml/diner/realpos/",1,0,0],
["Frame Resize","http://www.webref.com/dhtml/diner/frresize/",1,0,0],
["Browser Vars","http://www.webref.com/dhtml/diner/browsvars/",1,0,0]
]

Default

false.
If omitted, it is assumed that the item has no associated child menu.

Differences from Version 3 equivalent

There is no difference from the Version 3 equivalent.

This concludes our look at the new Version 4 menu-creating arrays.

As before, on our final page, we have included an Array-Conversion tool to help you convert your existing Version 3 arrays to the new standard.

In our next installment, we will look at the new expanded Global Parameters that affect the look and behavior of all menu trees in a page.

Produced by Peter Belesis and

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Created: Oct 03, 2000
Revised: Oct 03, 2000

URL: http://www.webreference.com/dhtml/column38/7.html