What side effects does the keyword 'new' have in JavaScript?

Question

I\'m working on a plug-in for jQuery and I\'m getting this JSLint error:

Problem at line 80 character 45: Do not use \'new\' for side effects.

(new jQuery.faste         


        

Answer 1

From jQuery fasterTrim source code:

 * Usage: 
 * 
 * $(element).fasterTrim(options);  // returns jQuery object
 * $.fasterTrim.trim(" string ", options);  // returns trimmed string

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To answer the question, "Do not use new for side effects" means:

Do not use new for what the constructor will do to its parameters but to create an object, side effects in constructors are baaaad!