Comparison of consoles

1. All browsers
   1. alert()
   2. Firebug lite
2. Firefox
   1. Firebug
3. Safari and Chrome
   1. Web Inspector
4. Opera
   1. opera.postError()
5. Internet Explorer
   1. Developer tools
   2. Companion.js

alert

alert() is build-in JavaScript function available in all browsers. Plain and stupid.

alert("Hello")

alert({x:5, y:3})

alert(document.body)

Firefox’s Firebug

Firebug is an add-on to Firefox. It’s one of the best debugging tool out there.

Firebug lite

Firebug lite is a crossbrowser version of Firebug. It’s much less power full then original Firebug, but works in all browsers.

Web Inspector

opera.postError()

Opera has no console API, but opera.postError().

Internet Explorer 8 Developer Tools

IE8 has console API, but it’s dump like opera.postError.