This Much I Know

Internet Explorer behaviour with HTML and XHTML pages containing empty elements with no end tag such as <span />.

Today I needed to know whether a Range object (obtained from a selection) intersected with a particular node within an HTML document, which is a relatively common scenario when developing WYSWIYG editors. Mozilla’s implementation of Range used to have a proprietary intersectsNode method, which was ideal. However, they’ve removed this in Gecko 1.9 (and therefore [...]

In the course of developing a new version of log4javascript, I was adding a command line feature that required the ability to evaluate and execute code in an iframe from within the main window. Fine, I thought, I’ll just call eval on the iframe window object. Which predictably worked fine in Firefox and Opera 8+, [...]