jQuery Function Wrapper

Project at GitHub.com

Usage:

orgFn: original function to wrap
fn: function that wraps the original function. Signature for the function may be “function(orgFn[, arg1, arg2, ...])”
context (optional): If you want the method to be executed in a special context (context will be availabe as “this”). If null/undefined the global object is used (usaly window)

Example of use:

window.myFunc = $.wrapper(window.myFunc, function(org_myFunc, myArg1, myArg2, myArg3) { 
    console.log("before myFunc");
    var myResult = org_myFunc(myArg1, myArg2, myArg3);
    console.log("after myFunc");
    return myResult;
});