Gather sand into a tower, make a little progress every day
⭐ Introduction to the column
Front-end Getting Started Tour: Explore the wonderful world of Web development Remember to click the link above or on the right to subscribe to this column Oh Geometry will take you on a front-end journey
Welcome to the front-end introductory tour! This column is tailored for those friends who are interested in web development and have just stepped into the front-end field. Whether you are a complete novice or have some basic developers, here will provide you with a systematic and friendly learning platform. In this column, we will update it every day in the form of questions and answers, presenting selected front-end knowledge points and answers to frequently asked questions. Through the question-and-answer format, we hope to more directly respond to readers' questions about front-end technology, and help everyone gradually build a solid foundation. Whether it's HTML, CSS, JavaScript, or a variety of commonly used frameworks and tools, we'll explain concepts in simple terms and provide practical examples and exercises to reinforce what you've learned. At the same time, we will also share some practical tips and best practices to help you better understand and use various technologies in front-end development.
Not only that, we also regularly launch some practical project tutorials, so that you can apply the knowledge you have learned to actual development. Through the practice of actual projects, you will be able to better understand the workflow and methodology of front-end development, and develop your ability to solve problems and develop independently. We believe that only by continuous accumulation and practice can we truly master front-end development technology. So get ready for the challenge and bravely embark on this front-end introductory journey! Whether you're looking for a career transition, upskilling or personal interest, we're committed to providing you with the highest quality learning resources and support. Let's explore the wonderful world of web development together! Join the front-end introductory journey and become an excellent front-end developer! Let's set sail on the front-end journey
⭐ Responsive Design
Responsive design is an approach to web design that aims to make a website provide the best user experience across different devices and screen sizes. The goal of responsive design is to enable the layout and content of web pages to automatically adjust according to the characteristics of the access device to ensure that the website can be well rendered on various devices, including desktop computers, tablets and mobile phones.
The main principles of responsive design include:
-
Elastic Grid Layout : Use relative units (such as percentages) rather than fixed units (such as pixels) to create layouts that allow content to adapt to different screen sizes.
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Media query : Use CSS3 media query function to apply different CSS styles according to screen width and other properties to adapt to different devices.
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Elastic images and media : Use CSS technology to ensure that image and media elements can be adaptively scaled according to the screen size to avoid the problem of images being too large or too small.
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Fluid Layout : Make text content automatically adjust layout on different screen sizes to ensure readability and user-friendliness.
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Optimized Navigation : Redesign the navigation menu to fit smaller screen devices and possibly use an accordion menu or side navigation.
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Test and tweak : Make sure your site works well in every situation by testing and tweaking it on different devices.
⭐ How to implement a responsive web page?
To implement a responsive web page, follow these steps:
1. Elastic Grid Layout
Use relative units (such as percentages) to lay out your web pages rather than fixed units (pixels). For example, use percentages to define the width of web pages and the width of columns so that they adapt to the screen size.
.container {
width: 100%;
}
.column {
width: 50%;
float: left;
}
2. Media queries
Use CSS media queries to apply different styles based on screen width. Here is an example, when the screen width is less than 768px, the text color changes to red:
@media screen and (max-width: 768px) {
p {
color: red;
}
}
3. Elastic images and media
Make sure images and media elements scale adaptively to the screen size. The maximum width of an image can be limited using the property in CSS max-width.
img {
max-width: 100%;
height: auto;
}
4. Flow layout
Use relative units to set text size and line height to ensure good readability of text on different screen sizes.
p {
font-size: 16px;
line-height: 1.5;
}
5. Optimized navigation
Redesigned navigation menu to fit small screen devices. Techniques such as accordion menus, side navigation, or drop-down menus can be used.
<!-- 折叠菜单示例 -->
<div class="mobile-menu">
<button class="menu-toggle">菜单</button>
<ul class="menu">
<li><a href="#">首页</a></li>
<li><a href="#">关于我们</a></li>
<li><a href="#">服务</a></li>
<li><a href="#">联系我们</a></li>
</ul>
</div>
6. Testing and tuning
Finally, make sure your responsive pages work well in every situation by testing and tweaking them on different devices. Use browser development tools to emulate the screen sizes of different devices and ensure that your pages have good accessibility and user experience in each case.
Responsive design is an ongoing process that requires constant optimization and improvement to ensure adaptation to new devices and screen sizes. Here are some additional tips to consider when developing responsive web pages:
7. Image optimization
Use appropriately sized images and provide multiple image versions for different screen sizes. This can be done via <picture>the element or srcsetattribute.
<picture>
<source media="(min-width: 1200px)" srcset="large-image.jpg">
<source media="(min-width: 768px)" srcset="medium-image.jpg">
<img src="small-image.jpg" alt="响应式图片">
</picture>
8. Font optimization
Choose an appropriate font and use @font-faceto load a custom font. Make sure font file sizes are reasonable for faster page loads.
@font-face {
font-family: 'CustomFont';
src: url('custom-font.woff2') format('woff2');
font-weight: normal;
font-style: normal;
}
body {
font-family: 'CustomFont', sans-serif;
}
9. Progressive Enhancement
Use the principles of progressive enhancement to ensure that pages still work correctly on older devices that don't support certain advanced features. Gradually add more advanced features to provide a richer user experience.
10. Go mobile-first
Consider starting your design and development with mobile devices, and gradually adding functionality and layout to accommodate larger screens. This helps ensure that your web pages look great on small screens and gradually scale to larger devices.
11. User Testing
Ultimately, conducting user testing is key to ensuring the success of responsive design. Please test your pages several times on different devices and consider user feedback to improve the user experience.
By using these techniques together, you can create a responsive web page that adapts to various devices and screen sizes, provides a great user experience, improves accessibility, and ensures that your website performs smoothly in all situations.
⭐ Written at the end
This column is suitable for a wide range of readers, suitable for front-end beginners; or partners who have never studied the front-end and are interested in the front-end, or back-end students who want to better show themselves and expand some front-end knowledge points during the interview process, so If you have a front-end foundation and follow this column to learn, it can also help you to check and fill in the gaps to a great extent. Since the blogger himself does the content output, if there are any flaws in the article, you can contact me on the left side of the homepage , we make progress together, and at the same time recommend several columns for everyone, interested partners can subscribe: In addition to the columns below, you can also go to my homepage to see other columns;
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