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Detailed explanation of the example of merging the same content of table's td using js

Copy the code as follows: function hb(){ var tab = document.getElementById("subtable"); var maxCol = 3, val, count, start; var ys=""; fo

2025-02-11
Sample code for finding the maximum value in an array in javascript

Copy the code code as follows:<html><head><title> Get the maximum value of an array</title><script> //定义数组 var arr = [1,4,3,9,5,0,-1,7,22]; //最大值的下标，先假定为第一个元素的下标

2025-02-11
JS realizes a sample code that converts the amount of RMB into uppercase

Copy code code as follows: // RMB amount transfer program JavaScript version // Copyright Bardo qi Function numtocny (num) {var Capunit = ['10,000', 'billion', 'circle', '']; var C

2025-02-11
JavaScript Simulation Tank War Game (html5 version) with source code download

1. Summarize key points and problems encountered 1. Inheritance in javascript, it is best that the parent class only provides method sharing and write attributes to their respective subclasses to avoid the confusion of the constructors of the parent class

2025-02-11
Deeply understand the execution order of javascript

If you cannot understand the running mechanism of the JavaScript language, or simply put, you cannot master the execution order of JavaScript, then you are like a Bole who cannot control a thousand-mile horse, allowing the thousand-mile horse to escape an

2025-02-11
HTML5 canvas implements adding tiled watermarks to images

Recently, I encountered a requirement in a project. I need to add a tiled watermark to a picture. The first thing I thought of was to use canvas to complete this function. Because I have never been exposed to canvas before, when doing this function, It&#3

2025-02-11
js copies web page content and is compatible with the codes of major browsers

Because you need to make a js click to copy the function of the current web page URL. The following method is used, but it can only be used normally under the IE browser. The method is as follows: The copy code code is as follows: function copyURL(){ var

2025-02-10
Voice search function based on Html5

Careful friends may observe that there is a voice search function on the right side of Google search, which can realize the speech recognition function. The function may not be perfect enough, but it is still a trend. Here is an introduction to how to imp

2025-02-10
Detailed explanation of Js bubble event and blocking example

The Js bubble mechanism refers to if an element defines event A, such as a click event. If the bubble event is not blocked after the event is triggered, the event will propagate to the parent element and trigger the click function of the parent class. As

2025-02-10
A simple example of JS removing spaces at both ends of a string

//Remove left spaces; function ltrim(s){ return s.replace(/(^s*)/g, "");}//Remove right spaces; function rtrim(s){return s.replace(/( s*$)/g, "");}//Go to left and right

2025-02-10
Assigning value method to js array in php

Because the interface party requires that data is processed in JS, the php program needs to take out the values from the database and assign them to the js array. I have never found a good solution because the data encoding of PHP arrays is different fr

2025-02-10
js convert milliseconds into time format code

Code: Copy the code as follows:<script type="text/javascript"> var format = function(time, format){ var t = new Date(time); var tf = func

2025-02-10
How to clear all tags below div

Copy code code as follows: <div id="slides"><div id="content-main" name="content-main"><div id="a"><img src="img/example-slide-1.jpg">

2025-02-10
Example of using canvas to achieve a beautiful rain effect

Explain that this article talks about how to use canvas to draw a beautiful rain effect. Let’s take a look at the final effect first. Effect diagram explanation: Look at the picture to analyze what effects we need to achieve. 1. Raindrop falling effect, m

2025-02-10
SeaJS Introduction Tutorial Series: Using SeaJS (II)

Download and install To use SeaJS in the project, all the preparations you need to do is download sea.js and put them somewhere in your project. The SeaJS project is currently hosted on GitHub, with the homepage at https://github.com/seajs/seajs/. You can

2025-02-10

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