Separate HTML for Basic Foil 27 User-defined Objects

Basic HTML version of Foils prepared 23 June 1997

Foil 27 User-defined Objects - I

From JavaScript Tutorial for Certificate Course UC Web applications Certificate -- Summer 97. by Geoffrey C. Fox, Tom Scavo

You define a class template (to use Java lingo) with a function definition and then create an instance of the object with the new statement:

function MenuObject(no, name) {

this.no = no; // Give instance a numerical label

this.name = name; // Label this particular menu

this.color = 'black';

this.menuSelection = 1;

this.count = 0;

this.options = new Array(); // To be discussed

}

Define two menu instances:

worldMenu = new MenuObject(1, 'world');

familyMenu = new MenuObject(2, 'family');

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Page produced by wwwfoil on Wed Apr 1 1998