jQuery

jQuery bookmarklet

Here’s a bookmarklet that allows me to debug any webpage using jQuery via the Chrome Developer Console: Load jQuery To install, simply just drag the above link onto your bookmarks/favourites bar. Note: This bookmarklet will first prompt whether you want to overwrite any current version of jQuery that is already loaded on the page with the latest minified version of jQuery.

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jQuery

Chrome Access-Control-Allow-Origin error

I was trying to use the jQuery load function in Chrome (on Windows) when I encountered the following error: XMLHttpRequest cannot load file:///C:/Projects/test/about.html. Origin null is not allowed by Access-Control-Allow-Origin. I discovered that I had to disable web security in chrome by closing ALL currently running instances of chrome and then running chrome with the – -disable-web-security parameter:

Chrome would then display the following warning header once it was loaded: Note: I would only recommend…

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