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New article "Debug DOM memory leaks ("Detached elements" profiling type)" #3282

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e37adfc
Update title & lead-in & toc
mikehoffms Sep 24, 2024
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update near links in other articles
mikehoffms Oct 3, 2024
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tabsets
mikehoffms Oct 10, 2024
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desc: yaml field
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mikehoffms Oct 10, 2024
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temp Differences section
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explain strategy, then single list of ui steps
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outcome at end of ui steps list
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explain clicking the particular ID
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"Scroll to line 49" is a numbered action step
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task h2: express the task well
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h2 Strategy section, h2 for locations of feature
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rewrite main steps for DE tool
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why click this button at this point
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put "not list you want" in correct spot
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test & fix 13-step list
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leak in existing not proposed code
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show connected tools at top
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table of tools per-section
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star nav DE "ways" table
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add article Mem tool DE profl-type
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fresh ui for "Allocations on timeline" & "Allocation sampling" profil…
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8 changes: 5 additions & 3 deletions microsoft-edge/dev-videos/index.md
Original file line number Diff line number Diff line change
Expand Up @@ -626,12 +626,14 @@ December 9, 2021

[![Thumbnail image for video "Debug memory leaks with the Microsoft Edge Detached Elements tool"](./index-images/detached-elements.png)](https://www.youtube.com/watch?v=v2iy17ptmBk)

The **Detached Elements** tool helps you investigate and resolve DOM memory leaks.
October 2024: To debug DOM memory leaks, use the **Detached Elements** profiling type in the **Memory** tool, which has replaced the **Detached Elements** tool.

Memory leaks occur when the JavaScript code of an application retains more and more objects in memory instead of releasing them for the browser to garbage-collect. We built the **Detached Elements** tool with the Microsoft Teams developers, and it has already helped us find and fix memory leaks across many of our own websites and apps.
The **Detached Elements** profiling type in the **Memory** tool helps you investigate and resolve DOM memory leaks.

Memory leaks occur when the JavaScript code of an application retains more and more objects in memory instead of releasing them for the browser to garbage-collect. We built the **Detached Elements** feature with the Microsoft Teams developers, and it has already helped us find and fix memory leaks across many of our own websites and apps.

See also:
* [Debug DOM memory leaks with the Detached Elements tool](../devtools-guide-chromium/memory-problems/dom-leaks.md)<!-- has Video section -->
* [Debug DOM memory leaks with the Detached Elements feature](../devtools-guide-chromium/memory-problems/dom-leaks.md)<!-- has Video section -->
* [Debug memory leaks with the Microsoft Edge Detached Elements tool](https://blogs.windows.com/msedgedev/2021/12/09/debug-memory-leaks-detached-elements-tool-devtools/) - blog post.


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4 changes: 2 additions & 2 deletions microsoft-edge/devtools-guide-chromium/about-tools.md
Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ DevTools provides more than 30 tools:
* Two icons on the **Activity Bar**, for the **Inspect tool** (![Inspect tool icon](./about-tools-images/inspect-tool-icon-light-theme.png)) and **Device Emulation** (![Device Emulation icon](./about-tools-images/device-emulation-icon-light-theme.png)).
* Three permanent tool tabs on the **Activity Bar**, for the **Elements**, **Console**, and **Sources** tools.
* Optional tabs, for optional tools such as the **Welcome** and **Network** tools.
* More optional tools, on the **More tools** (![More Tools icon](./about-tools-images/more-tools-icon-light-theme.png)) menu, such as the **3D View** and **Detached Elements** tools.
* More optional tools, on the **More tools** (![More Tools icon](./about-tools-images/more-tools-icon-light-theme.png)) menu, such as the **3D View** tool.

![The default tools, including two icons and eight tabs in the Activity Bar](./about-tools-images/all-default-tools.png)

Expand All @@ -41,7 +41,7 @@ Microsoft Edge DevTools includes the following tools.
| **Coverage** tool | Help you find unused JavaScript and CSS code, to speed up your page load and save your mobile users cellular data. | [Find unused JavaScript and CSS code with the Coverage tool](coverage/index.md) |
| **Crash analyzer** tool | Analyze crashes of your web app. You can input a JavaScript production stack trace, such as for non-fatal JavaScript exceptions, and then have your source maps applied to the stack trace so that you can debug faster. | [Crash analyzer tool](./crash-analyzer/index.md) |
| **CSS Overview** tool | Help you better understand your page's CSS and identify potential improvements. | [CSS Overview tool](css/css-overview-tool.md) |
| **Detached Elements** tool | To increase the performance of your page, this tool finds detached elements that the browser cannot garbage-collect, and identifies the JavaScript object that is still referencing the detached element. By changing your JavaScript to release the element, you reduce the number of detached elements on your page, increasing page performance and responsiveness. | [Debug DOM memory leaks with the Detached Elements tool](memory-problems/dom-leaks.md) |
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| **Detached Elements** tool | Deprecated; instead use the **Detached elements** option button in the **Memory** tool. To increase the performance of your webpage, find detached elements that the browser can't garbage-collect, and then identify the JavaScript object that's still referencing the detached element. Then change your JavaScript to release the element, to reduce the number of detached elements on your page, increasing page performance and responsiveness. | [Debug DOM memory leaks with the Detached Elements feature](memory-problems/dom-leaks.md) |
| **Developer Resources** | Shows resource URLs for the webpage. | [Developer Resources tool](developer-resources/developer-resources.md) |
| **Device Emulation** | Use the **Device Emulation** tool, also called _Device Simulation Mode_ or _Device Mode_, to approximate how your page looks and responds on a mobile device. | [Emulate mobile devices (Device Emulation)](device-mode/index.md) |
| **Elements** tool | Inspect, edit, and debug your HTML and CSS. You can edit in the tool while displaying the changes live in the browser. Debug your HTML using the DOM tree, and inspect and work on the CSS for your webpage. | [Inspect, edit, and debug HTML and CSS with the Elements tool](elements-tool/elements-tool.md) |
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2 changes: 1 addition & 1 deletion microsoft-edge/devtools-guide-chromium/landing/index.yml
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Expand Up @@ -166,7 +166,7 @@ landingContent:
- text: Fix memory problems
url: ../memory-problems/index.md

- text: Debug DOM memory leaks with the Detached Elements tool
- text: Debug DOM memory leaks with the Detached Elements feature
url: ../memory-problems/dom-leaks.md

- text: Understand security issues using the Security tool
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