Leaflet.org

Web debugging tools are so incredibly excellent these days. I remember the days where they didn’t exist and debugging was a total nightmare, even for the simplest of problems. A while back I introduced many of you to Logpoints, a way to output console.log messages without needing to change the source files. Another great breakpoint type is XHR/fetch breakpoints, allowing you to pause execution when an AJAX call is made. Let’s look at XHR/fetch breakpoints! To set an XHR/fetch breakpoint, open your browser’s Developer Tools and click the Sources tab — the same tab you open for other breakpoints. Under the XHR/fetch accordion item, click the big “+” button.... more →