Firebug JavaScript Dynamic Execution
Firebug JavaScript Dynamic Execution
You can use Firebug to write and perform a real-time JavaScript.
This is to test and ensure that the script is working properly, this is a good way to deploy JavaScript code in a production environment before.
Open Firebug> Script (script)> Displays the command line, the code is as follows:
alert("w3cschool.cc")
Press the Enter key, you can immediately see the output code. as the picture shows: