August 1999
Intermediate to advanced
1488 pages
72h 53m
English
Content preview from Pure JavaScript
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Dictionary.Item()
JScript3.0+Syntax
dictionaryobj.Item(key) dictionaryobj.Item(key) = newItem
Description
The Item() property of the Dictionary object provides the capability to retrieve, create, and modify items in the dictionary.
To retrieve an item from the dictionary, simply specify the key of the item to be returned in the argument list. The item associated with the key will be returned. If the key does not exist in the dictionary, a new key, item pair will be created in the dictionary and the item will be left empty. Nothing is returned from the method when this scenario occurs.
To create a new key, item pair in the dictionary specify a new unique key as the method's argument. Directly after the Item() method, place an equal sign followed ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.