JavaScript console log in Magento

Question

I have a custom phtml pages in Magento. As far I know Magento uses jQuery and prototype libraries.

For example, if I need external jQuery/jQueryUI, I need t

Answer 1

Using console.log() on browsers using Firebug 1.9.0+ with Magento up to 1.6.2.0 will fail, because Magento checks for the console.firebug property, but this property has been removed with Firebug 1.9.0 for privacy reasons.

See the file js/varien/js.js:

if (!("console" in window) || !("firebug" in console))
{
    // :
}

Since Magento 1.7.0.0 this whole condition is commented out to fix this (and other) issue(s).