Basic Syntax Examples



This example demonstrates how to write a jQuery selector that usess a dependent class. This selector picks up a particular p that has a class associated with it.. When you press the button below it calls showSelector().

Debug Tricks. Alert vs #Debug

JavaScript comes with a handy alert function that pops up a dialog. This first button shown calls the JavaScript alert utility. It is convenient to use alert, but often one wants to send back complex, length messages that don't fit in a dialog, or else one simply wants to avoid having to click on a dialog each time a message appears. The second button shows one simple solution.

Show Types

Show Two kinds of Properties are the same

Click the button to see that myObject.myProperty and myObject['myPropery'] are two ways of saying the same thing.

View JavaScript



 Use Prototype to Extend the String Class



Call Show Properties

One of the properties shown here is defined with a prototype.

call elvenware.showProperties()



Object Create


The properties we create can be configurable, writable, or enumerable. Push the button to see the values for myProperty in the following object:

var myObject = { myProperty: 12 };

You can discover the properties of an object by two means.

Here is an example:

function getMyKeys()
	keys = Object.keys(myObject);
	for (var i = 0; i < keys.length; i++)
		$('#myObjectKeys').append(keys[i] + '<br>');
	for (var x in myObject)
		$('#myObjectKeys').append(x + ' = ' + myObject[x] + '<br>');

Press the button below to execute this code.


Fancy Styles in a Form

Call Elvenware.useWrite()

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Randomize Array

Call elvenware.randomArray()