If you need a way to load external JavaScript files sequentially with JavaScript, you can use the following function: /** * Loads one more external JS files and optionally calls a callback function * when done. * @param {!Array.<string>} urls * URLs of external JS files to load. * @param Read more…
Following yesterday’s post, I thought it appropriate to write a quick JavaScript function which converts an integer into the corresponding column name: You can click here to enter a positive integer and see the corresponding column name. If you need this function for a project, feel free to use it Read more…
Today I am starting work on a quick flashcard app that will use Google Docs to read data from a spreadsheet. I thought I had written and published a function which parses an Excel like cell address and converts it into the column number and the row number but I Read more…
Something that I need to use every once in a while is addEventListener, but unfortunately I can’t depend on its existence in all browsers. For this reason I decided to write the following cross-browser solution for providing a function that adds an event handler: One thing to note is that Read more…
After writing the Vernam Cipher post, I started thinking about alternatives to using bit-wise XOR in order to translate numbers. I started thinking about XOR for base 3. Therefore I concentrated on what makes XOR so great. What makes XOR stand out from other operators is the fact that assuming Read more…
If you have ever taken an encryption class, I am sure that you have heard of the Vernam Cipher. For fun today I decided to write a quick one in JavaScript which takes your message and the random key: To you use this function you must supply both a message Read more…
Nearly a year ago I wrote a quick post about the awesome heredoc notation for strings in many languages such as PHP: Unfortunately, this doesn’t exist in JavaScript. If for some reason you do need to fake it though, you can use a comment in order to achieve your goal: Read more…
Recently I was working on an HTA which contained an element that I wanted to be resized when the window resized. The issue was that I only wanted the resizing to occur after 0.5 seconds elapsed in which the user was not resizing the window. For this reason the debounce Read more…
At times when dealing with functions that will be bound to an element you may need to prevent that function from being run multiple times. In order to do that you could use a JavaScript library such as jQuery and bind the function with the jQuery#one function. If that is Read more…
Today I worked on a project which involved weighted randomization. In other words, I had to randomly choose an item from an array of weighted items. The items that were assigned a higher weight were to be more likely to be picked. The following is a JavaScript function that accomplishes Read more…