Debugging JavaScript

The basic of the debugging is printing variables. But how to write such an object in JavaScript? Just write a simple code:

console.debug (variable)

Variable content appears in the console.

How to display console in Firefox?

  1. Install Firebug extension
  2. Right-click anywhere on the page
  3. Select “element to examine”

How to display console in Google Chrome?

  1. Right-click anywhere on the page
  2. Select “check control”
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