javascriptjQuery - What is jQuery.fx? - Stack Overflow

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I have seen $.fx.step. backgroundPosition = function(fx) {...} in some javascript snippet. I can't find much infomation about $.fx.

Can anyone provide a link to some detailed tutorial on $.fx ?

PS: I have read this: .html

But as a javascript newbie, I didn't quite get the point of it.

I have seen $.fx.step. backgroundPosition = function(fx) {...} in some javascript snippet. I can't find much infomation about $.fx.

Can anyone provide a link to some detailed tutorial on $.fx ?

PS: I have read this: http://onwebdev.blogspot./2011/02/jquery-fx-object.html

But as a javascript newbie, I didn't quite get the point of it.

• javascript
• jquery

Share Improve this question Follow asked May 12, 2013 at 11:22 CDTCDT 10.7k2121 gold badges7373 silver badges9999 bronze badges 1

• In your second snippet, fx is just a parameter to the function, it's not anything special. – Barmar Commented May 12, 2013 at 11:25

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3 Answers 3

Sorted by: Reset to default 6

In short: fx is the basis of all jQuery effects like .animate, .hide, etc.

Code like the one you posted is meant to extend jQuery.fx.

You can see more details about $.fx HERE

A new jQuery plugin that supports animating CSS colors of elements by using the new jQuery.fx.step.

Here is stated, that fx object is declared as follows:

fx: function( elem, options, prop ) {
        this.options = options;
        this.elem = elem;
        this.prop = prop;

        if ( !options.orig ) {
            options.orig = {};
        }
}

read more that link.

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