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  • JavaScript event handling methods (three types)

    JavaScript event handling methods (three types)

    Recently, because I have to modify the website every day to make special effects for the website, I have watched a lot of JS contact incidents. I only know how to use a small part of it. Sometimes it is also quite chaotic when I use it. Now I have sorted
    2025-07-18
  • Javascript basic study notes (must read for newbies)

    Javascript basic study notes (must read for newbies)

    What are variables? Variables are declaration syntax for container variables used to store information: var variable name variable name = value; variables must be declared first and then assigned variables can be repeated. The naming rules of the assignme
    2025-07-18
  • Simple example of how to determine whether a Javascript object exists

    Simple example of how to determine whether a Javascript object exists

    The Javascript language design is not rigorous enough, and many places will make mistakes if you are not careful. For example, consider the following situations. Now, we need to determine whether a global object myObj exists, and if it does not exist, dec
    2025-07-18
  • Bootstrap3 study notes (II) type

    Bootstrap3 study notes (II) type

    In the previous article, I introduced the grid system of BootStrap3 study notes (1) for the title. Bootstrap has modified the style of h1--h6. If you need a subtitle, you can also use small tags in it.<h1> h1. Bootstrap heading <small>Se</small>
    2025-07-18
  • Detailed explanation of the use examples of Bootstrap carousel rotation diagram

    Detailed explanation of the use examples of Bootstrap carousel rotation diagram

    The image carousel effect can be seen in the web, and many people also call it slideshow. The main effect of display is to play multiple pictures in a cycle, playing from right to left. Playing it will pause when the mouse hovers over the picture. If the
    2025-07-18
  • Example code for implementing ajax using JavaScript

    Example code for implementing ajax using JavaScript

    AJAX = Asynchronous JavaScript and XML.AJAX is a technology for creating fast dynamic web pages. AJAX allows web pages to be updated asynchronously by exchanging a small amount of data with the server in the background. This means it is possible to do a p
    2025-07-18
  • JS gets the data returned in the child window

    JS gets the data returned in the child window

    During the development, I encountered such a problem. Customers can fill in their delivery address and create a new one, but at the same time, they can also choose the ones they filled in before. Since our customers are merchants themselves and there are
    2025-07-18
  • JS gets the value of the checkbox and passes it to the background implementation method

    JS gets the value of the checkbox and passes it to the background implementation method

    Name the checkbox:
    2025-07-18
  • JavaScript implementation code that pops up the child form and returns the result to the parent form

    JavaScript implementation code that pops up the child form and returns the result to the parent form

    Idea: Use window.showModalDialog method to get the reference to the pop-up subform, and then use window.returnValue="***" on the subpage to return the result. Sample code: (simplified implementation with jQuery) Parent page: parent.html
    2025-07-18
  • Chapter 1: First Knowing Bootstrap

    Chapter 1: First Knowing Bootstrap

    Key points of learning: 1. Overview of Bootstrap 2. Features of Bootstrap 3. Structure of Bootstrap 4. Create the first page 5. Preparation for learning In this lesson, we mainly learn about Bootstrap history, characteristics, and uses, and why Bootstrap
    2025-07-18
  • How to dynamically generate directory in web page articles in Bootstrap framework

    How to dynamically generate directory in web page articles in Bootstrap framework

    Introduction When writing a blog, many subtitles are often used for organization. When the article is long, you need to shuttle back and forth between different titles. If you manually add a directory and add anchor points, it is really troublesome. For t
    2025-07-18
  • Chapter 4: BootStrap Forms and Pictures

    Chapter 4: BootStrap Forms and Pictures

    Bootstrap, from Twitter, is the most popular front-end framework at present. Bootstrap is based on HTML, CSS, and JAVASCRIPT. It is simple and flexible, making web development faster. Key points of learning: 1. Form 2. Pictures In this lesson, we mainly l
    2025-07-18
  • Introduction to the homepage of the Bootstrap project practice (full)

    Introduction to the homepage of the Bootstrap project practice (full)

    In the first part of this lesson, we design a content introduction below the carousel picture. The content introduction is divided into two parts, this time is the first half. one. Home page content introduction // Regarding the carousel of the last class
    2025-07-18
  • Some things to note when developing using vue.js

    Some things to note when developing using vue.js

    The two-way binding of responsive vue is based on responsive, that is, add getter and setter methods to the properties of a Vue object, and handle bidirectional binding in these methods. But this method will cause the following pitfalls. If the properties
    2025-07-17
  • JavaScript uses Media Queries in CSS to determine how to browse devices

    JavaScript uses Media Queries in CSS to determine how to browse devices

    The CSS part first creates a new class for judgment, and then uses Media Queries to assign different values to the z-index attribute of this class. This class is only used as JavaScript read, so it needs to be moved out of the screen window so that the vi
    2025-07-17
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