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Web design tutorial

BootStrap creates responsive navigation bar instance code

First of all, you have to introduce bootstrap and jquery to recommend a CDN: http://cdn.gbtags.com/index.html and then start writing HTML code. If you don't want to change the display effect, in fact, CSS is not allowed to write 2333 because there are

2025-07-20
Boolean type object of javascript

The Boolean object is very similar to the Boolean encapsulation class in Java. It has two values: true and false1. The code for creating the Boolean object is as follows: var boo = new Boolean();//The value of boo is not assigned at this time, but its def

2025-07-20
Basic JavaScript tutorial - a must-read for getting started

JavaScript is a descriptive language, but it is not difficult to learn. As long as you study it carefully, you will definitely learn it well. I believe that when you read this article, you must have learned HTML. Use JavaScript to have better interaction

2025-07-20
js mobile effect displays the current system time

The examples in this article share the implementation code of js mobile time for your reference. The specific content is as follows: Implementation code:<!DOCTYPE html><html><head><title> js flow time</title><style type="text/css">

2025-07-20
Bootstrap development practice for the first time

In this article, we mainly learn about the history, features, uses of Boostrap, and why Boostrap was chosen to develop our web projects. Key points of learning: 1. Overview of Bootstrap 2. Features of Bootstrap 3. Bootstrap structure 4. Create the first p

2025-07-20
Example of the three-level linkage effect of js province, city and county

This article example tells the simple linkage effect of JS at the provincial, municipal and county levels. I will share it with you for your reference, as follows: Reproduction: Implementation code:<html><head>

2025-07-20
The application of facade appearance pattern in design pattern in JavaScript development

Concept appearance mode (facade mode), is a relatively simple and ubiquitous mode. Appearance mode provides a high-level interface, which makes it easier to call clients or subsystems. Appearance mode is not adapter mode, an adapter mode is a wrapper to a

2025-07-20
js randomly generates name, mobile phone number, ID number, bank card number [implementation code]

During development and testing, you often need to fill in your name, mobile phone number, ID number, and bank card number, which must meet the format requirements and cannot be repeated. Everyone will search for various generators online. Can you write a

2025-07-20
JavaScript writes Chrome extension implementation and browser interaction and time notification

Interaction with browser 1. Bookmarks use the chrome.bookmarks module to create, organize and manage bookmarks. See Override Pages to create a customizable bookmark manager page. 1.1. Configure { "name": "My exten in manifest.json

2025-07-20
Simple example of JS date and time kill mutual conversion

1. Date format to time function getTimestamp(time) { return Date.parse(new Date(time)); }2. Time to date format function transformPHPTime(tim

2025-07-20
Tutorial on JavaScript for developing Chrome browser extension UI

Basic knowledge 1. Plug-in file structure 1.1. Every extension, installation of manifest.json, WebApp, and skin, has a JSON format manifest file, which stores important plug-in-related information. A basic configuration example: { "name": "

2025-07-20
Is there any difference between ionic js checkboxes and ordinary HTML checkboxes

ionic checkbox The ionic checkbox (checkbox) is no different from the normal HTML checkbox. The following example demonstrates the application of the ionic checkbox ion-checkbox.<ion-checkbox ng-model="isChecked"> Check box

2025-07-20
js output data is accurate to n-digit code after decimal point

Write two methods to output data num exactly to the nth position after the decimal point. The specific content is as follows 1. With the help of Math.pow(10,n); 2. With the help of...toFixed(n) (JS 1.5 (supported by IE5.5+, NS6+ or above). Test pi=3.14159

2025-07-20
Brief analysis of the method of creating javascript objects

1. Factory mode function person (name,age) { var p=new Object(); p.name=name; p.age=age; p.showMessage=function(){ console.

2025-07-20
How to introduce (call) a JS file

We Wangwang need to call other js files. How to deal with it? See this example of random drawing. In a page as follows:<html><head><title> random number </title><script type="text/javascript">//随机抽取人名

2025-07-20

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