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Course Introduction：Adjusting the character spacing in Word documents can be achieved in three ways. 1. Use font settings to adjust the character spacing: After selecting the text, select "Standard", "Wide" or "Closing" through the "Font" → "Advanced" tab, and set a value of 1-2 pounds, which is suitable for fine-tuning of the body; 2. Use "Text Effect" or "Text Box" for visual optimization: Put the text into the text box and select the visual style through "Text Effect" → "Convert", which is suitable for title design; 3. Avoid manually adding spaces to simulate spacing: due to confusion in typesetting, inconsistent display and difficulty in editing, it is recommended to always use built-in functions to ensure professional results.

2025-07-24 comment 0  975

Course Introduction：You can modify the style of the tag through custom CSS to adapt to design requirements. By default, the text is bold, and a triangle arrow is displayed on the left. Click to expand/collapse the content, but the display of different browsers is slightly different. To customize the style, you can follow the following steps: 1. Use list-style, font-weight, color and other attributes to adjust the font and color; 2. Hide the default arrows through the ::-webkit-details-marker pseudo-element; 3. Add custom arrow icons using the ::after pseudo-element or background image; 4. Add hover effect and transition animation to improve the interactive experience. It should be noted that ::-webkit-details-marker is only available in We

2025-07-20 comment 0  282

Course Introduction：To create a responsive navigation menu, you must first build an HTML structure containing the hamburger icon button and navigation link; 2. Use CSS to set the navigation level under the large screen, hide it under the small screen, and display it through active classes only when clicked; 3. Add click events to the button through JavaScript to switch the active class of the menu to expand and collapse; 4. Optionally, the hamburger icon rotates to "X" animation effect through CSS and JavaScript linkage; finally obtain a cross-device-compatible, keyboard navigation and good accessibility responsive navigation menu. After completion and testing, you can adjust the style details according to the design.

2025-08-04 comment 0  405

Course Introduction：Use the bottom border animation to achieve a simple and modern input box, and the border changes color when focusing; 2. Use rounded corners and shadows to enhance visual hierarchy, suitable for forms that need to be highlighted; 3. Simulate the floating label effect of MaterialDesign, which requires the required attribute or JavaScript to control the status; 4. Design for dark themes, use deep backgrounds and bright borders to improve readability; 5. Embed search icons in the input box to achieve the combination of graphics and text through absolute positioning; 6. Provide form verification feedback by adding errors and successful style classes, which can be dynamically switched in combination with JavaScript; always ensure contrast, accessibility, focus status and mobile compatibility to improve user experience.

2025-07-26 comment 0  471

Course Introduction：CSS's :target pseudo-class is used to match and style target elements in the page based on the URL's fragment identifier (last part). 1. It is often used to highlight the page area that users jump to through anchor links, such as highlighting the target section through background color or border; 2. It can be used for simple tab pages or accordion effects without JavaScript, and control the display and hiding of the target elements through display attributes; 3. It can combine transition to achieve smooth animation effects when target switching; 4. It only takes effect when the URL fragment matches the element id, and does not affect the browser's default scrolling behavior, and is not supported but elegantly downgraded in old browsers such as IE8 and below.

2025-07-19 comment 0  266

Course Elementary  13824

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82361

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13179

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24628

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27486

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.