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Tip: Create an HTML Element and Hold it in a Reference Variable
Create an HTML Element and Hold it in a Reference Variable
Activate Event Handlers for HTML Elements Added After Page Load
Tip: Activate Event Handlers for HTML Elements Added After Page Load
Define an URL to a Local File

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Build an Object-Oriented Tree Control Using JavaScript

When you need to display hierarchical information in your Web pages, build this Explorer-like tree control by creating only three polymorphic JavaScript objects.


by Tom Duffy
Nov 8, 2002
Page 1 of 6
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WEBINAR:

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Building the Right Environment to Support AI, Machine Learning and Deep Learning


n my last article, I demonstrated how to build an Explorer-like tree control using JavaScript. This month's installment focuses on converting the tree control to an object-oriented structure. Such a tree control should be both reusable and easily extended.



How do I build an Explorer-like tree control that is easily extended using object-oriented principles?



Take advantage of JavaScript's polymorphic abilities and the solution is a snap.



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