String to jQuery.function

Question

What's the simplest way to call a string method with jquery?

FWIW: You are not converting anything. There are just two ways to access properties of objects: Dot notation and bracket notation. The bracket notation expects a string. — Felix Kling
– Felix Kling, Commented Jul 14, 2011 at 11:51

Frédéric Hamidi · Accepted Answer · 2011-07-14 12:13:39Z

5

If I understand your question correctly, you want to call a method whose name is stored in a string.

If that's the case, you should use square bracket notation instead of (not in addition to) dot notation, and delimit the literal string with quotes:

$["STRINGVALUE"]();

You can also use the variable you defined initially, without quotes:

$[myFunction]();

edited Jul 14, 2011 at 12:13

answered Jul 14, 2011 at 11:48

Frédéric Hamidi

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4 Comments

Prusprus Over a year ago

May this error be outdated? I've tried it, but it doesn't seem to work. Have gotten it working with eval(STRINGVALUE+'()').

Frédéric Hamidi Over a year ago

@user, it looks like your problem is not the same. You want to call a function named STRINGVALUE, but cept0 wants to invoke a jQuery method named STRINGVALUE.

Prusprus Over a year ago

A function being a user defined function, while a jQuery method is a function defined within the $. namespace?

Frédéric Hamidi Over a year ago

@user, more or less, yes. Technically, $.fn also comes into play for jQuery methods, but in this particular case the questioner indeed wants to call a method exposed by the $ object directly (such methods are akin to static methods in other languages).

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