YouTipFirebug Execute Javascript
# Firebug Dynamically Execute JavaScript
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> The official Firebug website has announced that it has stopped further development, updating, and maintaining Firebug, inviting everyone to use Firefox's built-in tool (https://developer.mozilla.org/en-US/docs/Tools).
You can use Firebug to write and execute JavaScript in real-time.
This is for testing and ensuring the script works correctly, which is a good method before deploying JavaScript code to the production environment.
Open Firebug > Script > Show Command Line, the code is as follows:
alert("w3cschool.cc")
After pressing the Enter key, you will immediately see the output of the code. As shown in the figure:
