Home Web Front-end JS Tutorial 10 recommended articles about pictures

10 recommended articles about pictures

Jun 15, 2017 pm 01:23 PM

I have recently browsed a lot of website image cropping effects. Most of the methods are as shown in the picture below (borrowing a picture from Script Home). Select the appropriate position by changing the size of the cropping box. However, this article introduces another tailoring method. The cutting frame is determined by the developer. The size of the picture is determined by the user to select the appropriate position by scaling and dragging pictures. In this process As shown in the upper right. This method mainly has the following advantages: the width and height of the cutting frame is consistent with the height ratio of the actual use, preventing the display size of the picture deformation problem, and ensuring the original proportion of the picture. Cropping is more friendly. For example, to capture a very small part of a high-definition picture, we only need to enlarge the picture and drag it into the cropping box, while other methods require the cropping box to be adjusted very small, which is not conducive to After talking about the user operation, we should also talk about the shortcomings. The shortcoming is that the difficulty increases by an order of magnitude. . . . The main idea is to use two pictures and position them absolutely. One is placed inside the cropping frame and the other is placed outside the cropping frame and has a transparent effect. The overflow of the cropping frame is set to hidden to maintain absolute synchronization of the two pictures at all times.

1. 10 recommended articles about display size

10 recommended articles about pictures

#Introduction: Recently I have browsed the image cropping effects of many websites. Most of the methods are as shown in the picture below (borrowing a picture from Script House). Select the appropriate position by changing the size of the cropping box. . But this article introduces another cropping method. The cropping box is determined by the developer, and the image size is determined by the user. The appropriate position is selected by scaling and dragging the image, and the aspect ratio of the image is always maintained in the process. As shown in the picture above right. This approach mainly has the following advantages: the width and height of the cropping frame are consistent with the actual aspect ratio, preventing image deformation problems without limiting the display size of the image, ensuring the original proportion of the image, and passing...

2. How to write high-performance HTML web pages

10 recommended articles about pictures

##Introduction: Most developers will optimize through JavaScript and images, through server configuration, compressing files and merging files - even adjusting CSS (merging small images). Poor HTML is always ignored, even though it has always been the core language of the Internet. HTML is getting bigger and bigger. Each HTML page of the top 100 websites is mostly around 40K. Amazon and Yahoo use thousands of HTML pages. On the main page of youtube.com, there are as many as 3,500 HTML elements. Reducing the complexity of HTML and the number of elements in a page does not significantly improve parsing time - but HTML is a key to building extremely fast web pages, and adapting to different devices affects success.

##3.

Use css3 to implement background gradient method

10 recommended articles about pictures##Introduction: Before you can do background gradient without knowing css , I always apply it to the web pages I create by PSing a picture with a background gradient. However, not long ago, I learned that CSS3 can also do background gradients. It has become much easier to create background gradient effects. Here are some methods of doing background gradients in CSS3.

4. How to write high-performance HTML web pages

##Introduction: How can you improve web page performance? Most developers will optimize through JavaScript and images, through server configuration, compressing files and merging files - even adjusting CSS (merging small images). Poor HTML is always ignored, even though it has always been the core language of the Internet. 10 recommended articles about pictures

5. JavaScript image cropping sample code sharing without deformation (picture)

: Recently browsed the cutting effect of many websites. Most of the methods are shown in the figure below (borrowing a picture of a script home) to select the appropriate ones by changing the size of the tailor frame Location. But this article introduces another cropping method. The cropping box is determined by the developer, and the image size is determined by the user. The appropriate position is selected by scaling and dragging the image, and the aspect ratio of the image is always maintained in the process. As shown in the picture above right. This method mainly has the following advantages: the width of the cutting frame is consistent with the height ratio of the actual use of the place, and the display size of the picture deformation problem is not limited.

# 6. Use the picture button as the reset (reset) form button

10 recommended articles about pictures

: Use some small pictures to replace these buttons. The method of using the picture is very simple. I believe everyone will. So how to use the picture button as the reset (RESET) Form button. Interested friends can look at

7.

HTML to use custom pictures to achieve checkbox display displayed Method

10 recommended articles about pictures

This editor will bring you a custom picture in HTML Methods to be displayed with checkbox. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference. Let’s follow the editor to take a look

8. Pure CSS3 Speech Bubbles with transparent background

10 recommended articles about pictures

Introduction: This is a Speech Bubbles special effect with a transparent background made using pure CSS3. This speech bubble uses two transparent png images as the background, and combines them into a speech bubble effect through simple CSS code.

9. Pure CSS3 blind-style switching carousel effect

10 recommended articles about pictures

Introduction: This is a blind-style switching carousel special effect made using pure CSS3. This special effect is made using background images. When the carousel is switched, a set of div elements are used to create the blinds effect, which is very cool.

10. Building a website using web standards Day 8: Getting started with CSS layout

10 recommended articles about pictures

Introduction: The biggest difference between CSS layout and traditional table layout is that the original positioning uses tables, and controls the text layout section through the spacing of the tables or using colorless and transparent GIF images. Spacing;

[Related Q&A recommendations]:

android - Using the volley network to request images consumes too much traffic. Is there any way to reduce image consumption? Traffic

#php - How to filter out non-images?

node.js - I use node to write a website, and found that the image resources referenced in the style sheet will not be loaded.

javascript - Why now Why don’t many websites use delayed loading of images to optimize performance? Are there any serious disadvantages of delayed loading?

objective-c - How to use Baidu Map SDK to create the following effects on iOS?

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