When working with locations in JavaScript, you often have two sets of latitude/longitude coordinates and you need the distance between theme. This function will give you an approximate distance between theme (in miles by default).
JavaScript
WordPress Development Overlay
When doing WordPress theme development I find it helpful to overlay an image of the approved design on top of the code I’m working on. I use a reduced opacity on the image so I can see the code I’m working on. This helps me match things like font size and spacing. I’ve been doing […]
WordPress sanitize_title() in JavaScript
I was working on a project where I needed the functionality provided by the WordPress PHP function sanitize_title(). Unfortunately, I needed this functionality in JavaScript. As with many problems in programming, this turned out to be more complex than I originally thought it would be. I discovered there were a number of edge-cases that I […]
wp_localize_script Explanation
A long time ago a WordPress programmer wanted to use a PHP value in their JavaScript. No problem they said, I’ll add this in my PHP theme code. Using a PHP Value in JavaScript – version 1 <?php $my_php_value = ‘Hello World’; echo ‘<script>’; echo ‘alert( “‘ . $myPHPValue . ‘” );’; echo ‘</script>’; ?> […]
How to Disable JavaScript in Chrome
2014-08-29 UPDATE: Current version of Chrome has issue I’m seeing an issue where the Disable JavaScript checkbox is becoming unchecked on refresh (thus undoing the point of this post). More info at https://code.google.com/p/chromium/issues/detail?id=369844 Current fix seems to be “click Disable JavaScript a bunch of times” (yes, I realize this is a ridiculous fix) How to […]
jQuery filter Array Method
I really enjoyed Josh Clanton’s article Filtering Arrays with Array.filter on using the JavaScript filter method(). As he points out, Because the filter method is part of the ECMAScript 5 specification, it isn’t available in older browsers like IE8. Josh then lists a couple of options to bring this functionality into older browsers (i.e. IE < 9) […]