How to call JQuery functions [closed]

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I was wondering about the different ways of using a JQuery function on a variable
like I know this one

$.DoThis(variable);

but is there a way to call it at the end like normal Javascript functions

variable.$.DoThis();

haha I know this sounds stupid but I need to ask somewhere. Thanks!

Tomalak · Accepted Answer · 2010-04-21 18:56:10Z

0

You probably mean

$(variable).DoThis();

This implies that variable is

a plain DOM object (or an array of them)
a jQuery object (or an array of them)
a string that contains a jQuery selector
a string that contains HTML/XML markup
a callback function for the "DOM ready" event (not relevant in this case)

If it something else, all bets are off.

edited Apr 21, 2010 at 18:56

answered Apr 21, 2010 at 18:49

Tomalak

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3 Comments

Jacob Mattison Over a year ago

Also, this may not do the same thing; for example $.isFunction(someObject) is not at all the same as $(someObject).isFunction() (the latter will presumably always evaluate null as the parameter and return false).

Tomalak Over a year ago

@JacobM: Yes, of course. But the OP mentioned $.DoThis(variable) himself, and seemed to ask "How do I make a jQuery object out of variable?". That's why I said "probably" ;)

Jacob Mattison Over a year ago

Granted, but I think the OP has the expectation that making his variable into a jQuery object, and calling a jQuery function on it, will be the equivalent of calling a jQuery function and passing in his variable. That expectation, even if the variable is something that's convertible into a jQuery object as you describe, isn't valid. I'm not criticizing your answer here, I'm pointing out a flaw in (what I think is) the expectation of the OP.

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