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Proposals for making commercial HTML emails

Through license-based email marketing, not only can the cost of marketing and promotion be greatly reduced, but the information can be directly and accurately conveyed to customers. The question I'm studying today is how to start from the technical as

2025-05-14
JS determines the mobile access device and loads the corresponding CSS style

JS determines different web access environments, mainly for mobile devices, and provides corresponding analysis solutions (judging the device code directly copy Tencent.com) The copy code code is as follows: // Determines whether it is a mobile operating

2025-05-14
Javascript learning notes traversal and length attributes

Although arrays are objects in Javascript, it is not recommended to use a for in loop to traverse an array. In fact, there are many reasons to prevent us from using a for in loop for arrays. Because the for in loop will enumerate all properties on the pro

2025-05-14
Defining the minimum height of a span has no effect

The tag span is often used when making html web pages, but some friends don’t use this tag well for many friends. They seem to think it is very useful, but it is very troublesome to use, especially when it needs to define its width and height. A friend on

2025-05-14
How to achieve image preview effect before uploading images by JS

This article describes the method of implementing image preview effect before uploading images by JS. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:

2025-05-14
Deeply understand the JavaScript series (33): Detailed explanation of the strategy mode of design patterns

The introduction strategy model defines the algorithm family and encapsulates them separately so that they can replace each other. This model allows changes in the algorithm to not affect customers who use the algorithm. Before understanding the strategy

2025-05-14
Javascript dynamically creates div

This article describes the method of dynamically creating divs in Javascript. Share it for your reference. The specific implementation method is as follows: Copy the code code as follows:

2025-05-14
Scope analysis of variables in js function

This article analyzes the scope of variables in js function. Share it for your reference. The specific analysis is as follows: First look at a function example: Copy the code code as follows: <html><head></head><body><script type="text/javascript">var a =

2025-05-14
The difference between document.forms[0] and getElementByName in JavaScript

First, let’s take a look at an example: Copy the code as follows:<form name="buyerForm" method="post" action="/mysport/control/user/list.do">

2025-05-14
How to use slice(), split(), substring(), substr(), substr() in javascript

1.slice(); Array and String objects have slice(i,[j])i is the index value that starts to be intercepted in Array, negative numbers represent the index value calculated from the end, -1 is the index value that ends, j is the index value that ends. By defau

2025-05-14
Instructions for using emitter.on method in node.js

Method Description: Register a listener for the specified event. Syntax: The code copy is as follows: emitter.on(event, listener) emitter.addListener(event, listener) Receive parameters: event (string) Event type lis

2025-05-14
JS implements the method of text moving with the mouse

This article describes the method of JS to move text with the mouse. Share it for your reference. The specific analysis is as follows: This is a very simple mouse feature code. When moving the mouse on a web page, the code is copied after a string of text

2025-05-14
A deep understanding of JavaScript series (36): Detailed explanation of the intermediary model of design patterns

Introduces the Mediator pattern, using a mediator object to encapsulate a series of object interactions. The intermediary makes the objects need not be explicitly referenced to each other, thereby loosely coupling them and can independently change their i

2025-05-14
Things that are more basic about commonly used web page code

◆Add to favorites instructions Click to add your website to the browser's favorites menu under the code

2025-05-14
Comparison of drawing principles between Canvas and SVG in HTML5

Comment: Canvas and SVG can both enable you to draw pictures in the browser, but their basic principles are different. Next, we will introduce the drawing principles of canvas and SVG. Interested friends can understand that canvas and SVG can both enable

2025-05-14

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