- Enable the Debug Mode. First and foremost, to make things easier to develop, enable the Debug Mode for Lightning Components (found under Setup > Lightning components > Enable lightning debug ...
- Install the Salesforce Lightning Inspector. Second, install the Salesforce Lightning Inspector and the Salesforce Developer Tool Suite. The Salesforce Lightning Inspector adds a tab in your Chrome developer tools.
- Debugging JavaScript Errors. In your JavaScript code (Renderer, Controller, or Helper), you can start a debugging session using the JavaScript debugger keyword.
- Using Debug Logs. When all else fails, you can use the old debug logs. ...
How to debug JavaScript code in Salesforce Lightning components?
Enable debug mode to make it easier to debug JavaScript code from Lightning components. Only enable debug mode for users who are actively debugging JavaScript. Salesforce is slower for users who have debug mode enabled.
How do I debug a lightning component?
Debug Lightning Web Components Lightning web components are built using standard HTML and JavaScript, and on the desktop they run in a variety of supported browsers. This means you can use standard browser and JavaScript debugging tools, like Chrome DevTools, to debug your components during development.
Why is Salesforce lightning so slow?
Salesforce is slower for users who have debug mode enabled. To debug Lightning web components code, use Chrome DevTools. You can test mobile basics, like small screen sizes and responsive design, in a desktop browser using tools like Device Mode in Chrome DevTools.
Should I use debug mode in Salesforce?
Debug mode has a significant performance impact. Salesforce is slower for any user who has debug mode enabled. For this reason, we recommend using it only when actively debugging JavaScript code, and only for users involved in debugging activity. Don’t leave debug mode on permanently.
How do I debug Lightning Web Components in Salesforce?
Debugging on org can be done by setting breakpoints in code once we enable Lightning to run in the debug mode. Use the Sources tab in chrome and look under the lightning/page/modules/c folder to find your component. js file. Add JavaScript breakpoints to step through the code.
How do I view lightning components in Salesforce?
create one lightning app and include your component inside that application . D. click on "preview" button in top right corner , it will open a viw in browser. This is the easiest and quickest way to test and view your lightning component.
What is lightning debug mode in Salesforce?
Enable debug mode to make it easier to debug JavaScript code from Lightning components. Only enable debug mode for users who are actively debugging JavaScript. Salesforce is slower for users who have debug mode enabled.
How do I debug in Salesforce?
Use the Log InspectorFrom Setup, select Your Name > Developer Console to open Developer Console.Select Debug > Change Log Levels.Click the Add/Change link in General Trace Setting for You.Select INFO as the debug level for all columns.Click Done.Click Done.Select Debug > Perspective Manager.More items...
How do you inspect lightning components?
Open the Chrome DevTools (More tools | Developer tools in the Chrome control menu). You should see a Lightning tab in the DevTools menu. To get information quickly about an element on a Lightning page, right-click the element and select Inspect Lightning Component.
How do you find lightning components?
From Setup, enter Lightning Components in the Quick Find box, then select Lightning Components.
How do you debug a code in lightning component?
To enable debug mode for users in your org:From Setup, enter Debug Mode in the Quick Find box, then select Debug Mode Users. ... In the user list, locate any users who need debug mode enabled. ... Enable the selection checkbox next to users for whom you want to enable debug mode.Click Enable.
How do you debug a value in the lightning component?
There are a few basic tools and techniques that can help you to debug applications. Use Chrome DevTools to debug your client-side code....DebuggingEnable Debug Mode for Lightning Components. ... Disable Caching Setting During Development. ... Salesforce Lightning Inspector Chrome Extension. ... Log Messages.
How do I debug LWC component error?
How to debug LWCDebug mode for the user. Go to the setup and type the debug mode and click. you will get the list of users and select the user who wants to debug the code and enable the debugger.Create the LWC component which will fetch the data from Server.
How do I enable debugging in Salesforce?
In Salesforce, from Setup, enter Debug Mode in the Quick Find box, then select Debug Mode Users. Click Enable.
How do I query debug logs in Salesforce?
Open Developer Console.At the bottom of the console, select the Query Editor tab.Select Use Tooling API.Enter this SOQL query: SELECT Id, StartTime, LogUserId, LogLength, Location FROM ApexLog.Click Execute.Select the logs you want to delete. ... Click Delete Row.To confirm the log deletion, click Yes.
How do I run a debug log in Salesforce?
Set a user-based trace flag on the guest user.From Setup, enter Debug Logs in the Quick Find box, then click Debug Logs.Click New.Set the traced entity type to User.Open the lookup for the Traced Entity Name field, and then find and select your guest user.Assign a debug level to your trace flag.Click Save.
What are the lightning components in Salesforce?
Lightning web components are custom HTML elements built using HTML and modern JavaScript. Lightning web components and Aura components can coexist and interoperate on a page. To create Lightning web components, use the code editor of your choice and the Salesforce CLI.
Can we see LWC in developer console?
You cannot view Lightning Web Components in the developer console.
Where we can use lightning components in Salesforce?
Salesforce mobile development, for example, is a great place to use Lightning components. Also use Lightning components for new projects and any project involving highly interactive applications.
How do I get the LWC component in VS code?
How to import LWC component from ORG to VSCODE?Created a new Manifest project.Connected to my sandbox org (not scratch).Right clicked on Package. xml under Manifest & selected - Retrieve source in Manifest from Org.
How to enable debug mode in Salesforce?
To enable debug mode for users in your org: 1 In Salesforce, from Setup, enter Debug Mode in the Quick Find box, then select Debug Mode Users.#N#Users with debug mode enabled have a check mark in the Debug Mode column. 2 In the user list, locate any users who need debug mode enabled. If necessary, use the standard list view controls to filter your org’s users. 3 Enable the selection checkbox next to users for whom you want to enable debug mode. 4 Click Enable.
What happens when you enable debug mode?
When you enable debug mode, framework JavaScript code isn’t minified and is easier to read and debug. Debug mode also adds more detailed output for some warnings and errors. As with production mode, custom component code is not optimized or minified.
What does Debug Mode do?
Debug mode at its simplest assists developers in solving bugs (they may have caused!) within Lightning Components more easily, by changing the way Salesforce presents that code to your browser.
Code mini-if-whatcha-ma-call-it?
The other aspect, and in my opinion far more useful part of debug mode, is the removal of code minification. You could be forgiven for thinking that any custom lightning component code written for Salesforce is exactly what is served from Salesforce servers straight to users, but this is not the case.
How to Use Debug Mode
So now we know what debug mode does. The next step is making it work for us. As previously stated, the major benefit of running in debug mode is the removal of code minification across our own LWC code, and Salesforce’s own platform code.
Final thoughts
While no debugging tool is a magic wand that can be waved across your org to make all your bugs disappear, debug mode should definitely be one of the tools in your toolbox when bugs hinder your progress. It allows you to review what’s going on in a more familiar and understandable format.
