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How to debug javascript file on Firefox OS device


How to debug javascript file on Firefox OS device

By : user2948905
Date : November 15 2020, 06:54 AM
it helps some times For live debugging, you can run use the about:app-manager page inside the Firefox browser. You can install the ADB (Android Debug Brdige) to connect the FirefoxOS device with the Browser:
code :
// install ADB

// Linux
apt-get install android-tools-adb

// OSX
brew install android-platform-tools
// connect to your device / change IP
adb connect 192.168.1.5

// connect as root
adb root

// get a shell to your device, Ctrl-D will quit
adb shell

// enable port forwarding to use app-manager in your Desktop Firefox browser
adb forward tcp:6000 localfilesystem:/data/local/debugger-socket // or ADB Helper

// get the log output
adb logcat
adb pull /system/b2g/webapps/browser.gaiamobile.org/application.zip
adb push application.zip /system/b2g/webapps/browser.gaiamobile.org/application.zip


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Unable to debug JavaScript code in Visual Studio when starting to debug a web app in Mozilla Firefox

Unable to debug JavaScript code in Visual Studio when starting to debug a web app in Mozilla Firefox


By : user2932681
Date : March 29 2020, 07:55 AM
Any of those help You can only use the IE browser in this way as different browsers have different API's for debugging. You can launch firefox, chrome etc when you run your project but not step through javascript.
Debug javascript of firefox addon

Debug javascript of firefox addon


By : Fruit
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , to break point in your addon code? try this addon Tiny JavaScript Debugger
How to debug JavaScript on Firefox without Firebug?

How to debug JavaScript on Firefox without Firebug?


By : user3878243
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Firefox has built-in devtools, which can be opened via F12 when Firebug is not installed, Ctrl+Shift+I or via Firefox menu > Developer > Toggle Tools:
code :
var button = document.getElementById("clickme");
button.addEventListener("click", evalFoo, false);

var script = "function foo() {" +
             "  console.log('called foo');" +
             "}" +
             "foo();//# sourceURL=my-foo.js";

function evalFoo() {
  eval(script);
}
Unable to debug and add a breakpoint to my custom javascript file using F12 firefox

Unable to debug and add a breakpoint to my custom javascript file using F12 firefox


By : isha malik
Date : March 29 2020, 07:55 AM
Hope this helps Just open your console, and use debugger as one of your statements and the debugger will stop there;
code :
(function(){
    var x = 1;
    debugger;
    console.log(x);
})()
Unable to debug some asp.net core2.2 web pages with Firefox. How can I debug with Firefox?

Unable to debug some asp.net core2.2 web pages with Firefox. How can I debug with Firefox?


By : slackgeek
Date : March 29 2020, 07:55 AM
This might help you You can only debug javascript on the browser. You can debug your asp.net core c# code with visual studio, basically your IDE not just Visual Studio.
Below i am using a page with inline javascript inside HTML. Same happens with no js in page.
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