Found a total of 10000 related content
Performance Auditing: A Firefox Developer Tools Deep Dive
Article Introduction：Detailed explanation of Firefox Developer Tools (DevTools): A powerful tool to improve website performance
This article will explore Firefox Developer Tools (DevTools), a set of tools designed to help developers check, debug, analyze and optimize the performance of websites and web applications. We will focus on performance-related tools, and introduce the introduction to how to use DevTools and some practical settings.
How to access DevTools:
Click the hamburger menu on the right side of the navigation toolbar, select "Web Developer", and select the sub-tool you want to use.
Open the performance tool using keyboard shortcuts such as Shift F5 (Windows and macOS), Ctrl Shif
2025-02-16
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536
How to create a sidebar navbar with Bootstrap 5?
Article Introduction：To add a side navigation bar to a web page, use Bootstrap5 to implement it in the following steps: 1. Use the grid system to build a two-column layout, with the sidebar on the left and the main content area on the right; 2. Use the nav component to build a vertical navigation menu, and realize vertical arrangement through the flex-column class; 3. If you need a mobile folding effect, you can combine the Collapse plug-in to achieve responsive switching; 4. Add custom CSS styles to optimize scrolling, hovering and activation status and other details. The structure is clear and the class name is correct to quickly build the responsive sidebar.
2025-08-03
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899
How to debug HTML code in Google Chrome Developer Tools?
Article Introduction：The key to debugging HTML code is to master several core functions of ChromeDevTools. 1. Check the element structure: quickly locate the HTML position by right-clicking "Check", expand the node to view the nested structure, and double-click modifying content for temporary testing; 2. View and modify styles: View the applied CSS rules on the right side of the Elements panel, disable a certain style to observe the impact, or add a new style to test the effect; 3. Use the console to operate the DOM and execute JS, such as obtaining elements, modifying content, and testing whether the button event takes effect; 4. Responsive design debugging: Use the device toolbar to simulate different screen sizes, and comprehensively analyze layout problems in combination with the box model display and the Computed style panel.
2025-07-11
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1012
Embed Interactive jsFiddle Snippets on your Web Page
Article Introduction：Embed interactive jsFiddle code snippets on web pages to make your web page more interactive! This article will guide you how to implement this feature easily.
step
Visit jsfiddle.net to create your code snippet.
Click "Share" > "Embed Code" (embed as an iframe) in the menu bar.
Copy the generated iframe code into your webpage HTML.
Demo
Here is a demonstration of jsFiddle embedding. You can switch options such as js, css, etc. and run the code in real time on the page, just click the play button!
Enjoy the fun of jsFiddle! You may also be interested in:
Hide your jQuery source code
J
2025-02-25
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1005
How to add a search form inside a Bootstrap navbar?
Article Introduction：The key to adding a search form in the Bootstrap navigation bar is to have clear structure and correct use of class names. 1. Use d-flex to arrange form elements horizontally, form-control and btn classes are used for input boxes and buttons respectively; 2. Use ms-auto or me-auto to control form alignment to achieve left or right layout; 3. Use w-100 and flex-grow-1 to optimize mobile display to avoid layout confusion; 4. Select the search box position according to the scene. Common practices include placing it on the right, in the middle of navigation or in the collapsed menu; 5. If complex interactions are automatically completed, additional JS is required. By reasonably combining the Bootstrap classes, responsive search boxes can be implemented without complex code.
2025-07-25
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254
Better Living Through Bookmarklets
Article Introduction：Core points
Bookmark applets are small JavaScript code embedded in browser bookmarks that enhance the functionality of a web browser and simplify the workflow of web developers.
Bookmark applets have a wide range of uses, ranging from simple navigation tasks to more complex operations, such as modifying page content, analyzing page structure, and even automating tasks on the website.
While bookmark applets are generally safe and reliable, they can cause namespace conflicts. This problem can be avoided by creating anonymous functions with its own variable scope as bookmark applets.
For complex bookmark applets, there is a way to bypass the length limit of bookmarks in some browsers. The actual bookmark applet implementation can be used as external .js
2025-03-08
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1265
Dave The Diver: How To Catch Spider Crabs
Article Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10
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856
Prepare for Interview Like a Pro with Interview Questions CLI
Article Introduction：Prepare for Interview Like a Pro with Interview Questions CLI
What is the Interview Questions CLI?
The Interview Questions CLI is a command-line tool designed for JavaScript learners and developers who want to enhance their interview
2025-01-10
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1487
Soft Deletes in Databases: To Use or Not to Use?
Article Introduction：Soft Deletes: A Question of DesignThe topic of soft deletes, a mechanism that "flags" records as deleted instead of physically removing them, has...
2025-01-10
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1083
Terraria: How To Make A Loom
Article Introduction：There are a lot of crafting stations that you can make in Terraria. This ranges from simple anvils to unique stations meant for one specific type of resource. Early into the game, you'll be able to make your own Loom, which is primarily used to make
2025-01-10
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1365
