This week's book giveaways are in the Refactoring and Agile forums. We're giving away four copies each of Re-engineering Legacy Software and Docker in Action and have the authors on-line! See this thread and this one for details.
I am calling a function when submitting a form which returns true or false. I want to submit the form only if the function returns true otherwise nothing is to be done. Please tell me how it can be done.