Firebug Console
# Firebug Records Javascript Logs
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> The official Firebug website announced that it has stopped further development, updates, and maintenance of Firebug, inviting everyone to use Firefox's built-in tool (https://developer.mozilla.org/en-US/docs/Tools).
You can use Firebug to generate logs.
This helps us debug web pages and find errors on the page.
Execute the following code in the Firefox browser:
Firefox Test Page - w3cschool var a = "w3cschool";var b = ".cc"; document.write(a,b); console.log(a + b);
Open the above code file firefox-test.html in the Firefox browser. The execution result and log record are as follows:

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