Debugging/Profiling tools for your ServiceNow Next Experiences.
Next Experience Developer Tools Extension
The Next Exp Inspector has the capability to observe page behavior and access component details via five distinct tabs.
• Home: view indicators to help identify areas of improvement
• Components: analyze the DOM tree and inspect a component’s properties, state and actions.
• Events: view a list of events occurring in a page and generate a new custom event when needed for testing.
• Traces: view interactions of a page and an execution hierarchy to see relationship between items and their duration
• Logs: view a list of logs that have been emitted across the page.
Next Exp Profiler allows you to create, manage, and compare profiles for optimizing page performance proactively.
• Profile: view detailed information about the page execution to understand its performance and opportunities for optimizations.
• Compare: See what has changed between two profiles by viewing differences across different event types. This helps identify areas of focus when troubleshooting performance degradation.
Source Manifest.json
How to download and manually install Next Experience Developer Tools extension for Chrome
Looking for a way to install Next Experience Developer Tools extensions for Chrome, you can search for them in the Chrome Web Store, clicking the "Add to Chrome" button, and following the straightforward process.
However, you may need to install Next Experience Developer Tools extensions manually, this article outlines two simple methods to effortlessly install Next Experience Developer Tools extensions, whether they come as unpacked folders in compressed formats like .zip or as .crx files.
Method 1: Download Next Experience Developer Tools extension and manually install through Drag &Drop
If you ever need to manually install a Next Experience Developer Tools extension for Chrome, don't worry, it's a simple process. Just follow these easy steps, and you will have your extension ready to use in no time.
Step 1: Download the Next Experience Developer Tools Extension by clicking the "Download CRX" button on the website.
Look for the Next Experience Developer Tools extension you wish to install. Go to the website and download the Next Experience Developer Tools extension package, which is usually a .CRX file and comes in a zipped file. Here ".crx" file is the format for Next Experience Developer Tools extension that contains all the data.
Step 2: Extract &Arrange Files
Once the file is downloaded, extract that file into its own folder. Similarly, give that extension files a permanent home. In other words, keep it in a folder that you don't accidentally delete it because these files will be needed to make that extension work.
Step 3: Go to the Chrome Extensions Page
Open Google Chrome and in the address bar, type chrome://extensions; it will open the Google Chrome extensions page. Make sure that "My extensions" is selected in the sidebar.
Step 4: Drag and Drop the Extension
Now, go to the folder where you extracted the Next Experience Developer Tools extension and drag &drop the extension file from there anywhere onto the extension page within Google Chrome.
Step 5: Complete the Installation
Once you drag and drop the extension file, follow the steps that Google Chrome takes you through. Similarly, if the extension file is of .crx file format, you will be required to review the permissions and then add the extension.
Now, you can manage that added extension as you would like to with any other Chrome extension that you added through Chrome Webstore. Its icon will also appear in the Google Chrome Menu on the right side of the address bar once you activate it.
Method 2: Download Next Experience Developer Tools extension for Chrome and install in Developer Mode
This is another method to install Next Experience Developer Tools extension manually, but the twist is that here, you install by enabling the developer mode option provided in Google Chrome. This mode is commonly used for testing extensions or running unpublished tools.
Step 1: Download the Next Experience Developer Tools extension file
Select and download the Next Experience Developer Tools extension by clicking the 'Download CRX' button on the website.
Step 2: Extract the downloaded contents
Convert the file to a ZIP file if it is in CRX format then extract the Next Experience Developer Tools extension zip file or folder that you downloaded. Make sure you extract it using the same folder name and keep it safely in another folder, so you don't delete it by mistake. The extracted folder will be needed to keep your Next Experience Developer Tools extension running.
Step 3: Open Chrome Extension Setting Page
In the address bar of Google Chrome, type chrome://extensions and open the Chrome Extension Page.
Step 4: Enable Developer Mode
After opening the Chrome Extension page, look at the top right side, and you will find the toggle option of "Developer mode."Simply enable that developer mode option.
Step 5: Load the Unpacked Extension
Once you enable the developer mode option, you will see the menu of Load Unpacked, Pack Extensions and Update. From that, select the option "Load unpacked."
Step 6: Select the Extension Folder
Once the pop-up opens upon clicking Load unpacked, select the Next Experience Developer Tools extension directory and click on the "Select Folder "button.
Step 7: Confirm and Install
After you select an extension folder of a Google Chrome extension you're installing manually, confirm its installation for the final time and let the installation complete.
Conclusion
Here we've made a step-by-step guide on How to manually install Next Experience Developer Tools extension in 2 ways. We hope this guide proves helpful.
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