A while back many people responded to this post, helping me see that my solution for providing private data access to prototypal functions was incomplete. Since then, I had been playing around with some possible solutions in my head and finally came up with two: Prototypal Registry Accessor Verification Prototypal Read more…
Assuming a normal JavaScript engine, what could you possibly pass into the following mystery() function that would not thrown an error? As is normal, this answer will be shown a week from when it was posted and will be linked to from here.The answer to this POW can now be Read more…
One of the supposedly evil things that is available in jQuery is eval. The type of eval that is available is of the global variety. In other words globalEval provides the ability to execute JavaScript code from a string in the global scope. Most people don’t realize it, but eval Read more…
Iterating through the key-value pairs of an object that one has created is a task often executed. In view of this, I wrote the following code as a quick and easy way to iterate through all of the keys using a callback function: The JSDoc pretty much explains it all Read more…
One of the nice things that many people don’t know about JavaScript String replace() function is the fact that the second parameter can either be a string or a callback function. This callback function receives the entire matched substring, each parenthesized group (if not found the empty string is passed), Read more…
Many times I find myself writing code which involves finding a random number in a given range. Often times that number needs to be an integer. Since this is such a common task, I figured I would share a brief snippet of code with you all: The above function can Read more…
A few months ago I wrote a blog post about extensions to the Date.prototype. That post provided ways to add date parts and subtract date parts. Today’s post shows you how to use a generic Date.prototype.diff() function to find the difference between two dates and optionally return a string specifying Read more…
At times, integrating other technologies can be a very strenuous task. Yesterday I was trying to figure out a way to redirect to a page using POST variables and not GET variables. After scouring the web for a PHP solution, I decided to approach things differently and use JavaScript to Read more…
A while back I wrote this post about having classes with prototype functions that have access to private variables. To clarify this discussion, I have created this slideshow which briefly outlines how to accomplish writing JavaScript classes with private members which are accessible by prototype functions. In addition, the following Read more…
Have you ever had a column text for which you wish you could easily create links? For example, let’s say that you have a column of search words (or phrases) that should link to the Google page for each search. How would you do it? First of all, you would Read more…