Moderator note: Please resist the urge to edit the code or remove this notice. The pattern of whitespace may be part of the question and therefore should not be tampered with unnecessarily. If you are in the "whitespace is insignificant" camp, you should be able to accept the code as is. Is it ever possible that (a== 1 && a ==2 && a==3) could evaluate to true in JavaScript? This is an interview qu
I am facing a continuing problem distinguishing delegation, composition and aggregation from each other, and identifying the cases where it's the best to use one over the other. I have consulted a Java OO Analysis and Design book, but my confusion still remains. The main explanation is this: Delegation: When my object uses another object's functionality as is without changing it. Composition: My o
Suppose I have this HTML element: <div id="parent"> Hello everyone! <a>This is my home page</a> <p>Bye!</p> </div> And the user selects "home" with his mouse. I want to be able to determine how many characters into #parent his selection starts (and how many characters from the end of #parent his selection ends). This should work even if he selects an HTML tag. (And I need it to work in all browser
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