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Date: Wed, 3 Oct 2012 22:42:18 -0400
From: Sanford Whiteman <sa...@figureone.com>
Message-ID: <411104062.20121003224218@figureone.com>
To: Hamburger <mootools-users@googlegroups.com>
Subject: Re: [Moo] Do I have to check that an element exsist to get their properties?
In-Reply-To: <22f15b7f-bcb4-40a9-9837-e654ab471e65@googlegroups.com>
References: <22f15b7f-bcb4-40a9-9837-e654ab471e65@googlegroups.com>
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> or is there a shorter other way to do this.

var defaultanchor = new Element('a');

... later ...

var alwaysfindanhref = this.getElement("a") || defaultanchor.get("href");

If this.getElement('a) finds something in the DOM, you get its href.

If this.getElement has no result, you get a null (or, if you set an
href when creating defaultelement, that'll be your default result).

Note that you can use this concept in one line if somehow mandatory...

var alwaysfindanhref = this.getElement("a") || new Element("a").get("href");

... but that's creating a new Element every time, which uses memory.

-- Sandy