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Share the checkbox special effects code of an H5 native form

This article introduces the checkbox special effects code for sharing an H5 native form, and shares it with everyone. The details are as follows: The effect is as follows:<!DOCTYPE html><html><head><meta charset=UTF-8><title></title> <s

2025-01-24
Parsing objects that cannot be deleted by the delete operator in JavaScript

In ES3, delete is introduced in 8.6.2.5 and 11.4.1. Here is some information. 1. In implementation, the delete operator will call the [[Delete]] method inside the engine. 2. [[Delete]] is in 8.6.2. Definition 3. The deleted attribute has the DontDelete at

2025-01-24
js floating point numbers retain two decimal points sample code (rounding)

Copy the code as follows: var changeTwoDecimal_f= function (floatvar){ var f_x = parseFloat(floatvar); if (isNaN(f_x)){ return '0.00'; }

2025-01-24
Click the radio button to directly activate the link's implementation code

<html><head><script>function go(HrefName) {window.location.href = HrefName;}</script></head>

2025-01-24
JavaScript dynamic table operation examples (adding, deleting rows, columns and cells)

Copy the code code as follows:<html><head><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><title> js dynamic operation form</title>

2025-01-24
Detailed explanation of the solution to the problem of rough edges in Html5 Canvas drawing lines

All the lines drawn by the line drawing instructions of Html5 Canvas have burrs (such as lineTo, arcTo, strokeRect). This is because the position corresponding to the integer coordinate value in Canvas happens to be the gap between the screen pixels, so w

2025-01-24
Introduction to the use of event events under ie and ff

Event is an object that comes with IE, but this object does not exist in FF. Events can only be simulated by passing parameters. In addition, srcElement is used in IE to obtain the event trigger source, and target is used in FF. Therefore, relevant browse

2025-01-24
js time comparison example sharing (date comparison)

Copy the code code as follows: <html><head><script language="javascript" type="text/javascript">/** 日期比较 **/function compareDate(strDate1,strD

2025-01-24
Sample code for canvas ring countdown component

This article introduces the sample code of canvas ring countdown component and shares it with you. The details are as follows: The effect is as shown in Figure 1: Canvas ring countdown component Canvas ring countdown is a countdown based on Canvas. It is

2025-01-24
JavaScript can easily make the pop-up submenu automatically disappear when the mouse is moved away

Copy the code code as follows:<html><head><style type="text/css"> .menu { background-color:green; width:120; height:20; color: white; text

2025-01-24
A brief discussion on Rough.js, a hand-drawn style graphics library based on Canvas

The preface recommends a hand-drawn style graphics JS library based on Canvas. Rough.jsRough.js is a lightweight (about 8k), Canvas-based library that can draw rough hand-drawn styles. Provides basic capabilities for drawing lines, curves, arcs, polygons,

2025-01-23
JavaScript paging code example sharing (js paging)

Call: Copy the code as follows: var pageChange = function (index) {var html = pager("divid", index, 5, 1000, pageChange, { showGoTo: false,

2025-01-23
Canvas, the strongest interface of H5, implements dynamic graphics functions

In the last article, we shared how to use canvas to draw graphics, but the drawings were all static graphics. This week we will learn how to use canvas to draw dynamic graphics. What is animation? Before we draw animation, we must understand what animatio

2025-01-23
Differences in CSS in Internet Explorer 6, 7 and 8(3)

A transparent border color allows a border to occupy the same space as the border color when it is visible (or opaque).

2025-01-23
Example of replacing line breaks in a text field

Note: The code passed the test in the actual project. I have omitted some unimportant parts. You can focus on the color-coded part of the foreplay: Question: Why do you do this? ? Answer: There is a function in the project to save the entered text field t

2025-01-23

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