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Detailed explanation of the usage of ol tags in HTML5

This article mainly introduces the detailed explanation of the usage of ol tags in HTML5, which is the basic knowledge in the introduction to HTML5. Friends who need it can refer to the definition and usage<ol> Tags define ordered lists. Differences betwe

2025-07-01
HTML5 Canvas Drawing - Using Canvas to Draw Graphics Tutorials Use html5 canvas to Draw exquisite pictures

This article shares with you the html5 canvas drawing through eight examples. Friends who need it, let’s learn how popular HTML5 is. Recently, I have an idea to use the relevant functions of HTML, so I should also learn it well. After taking a good look a

2025-07-01
Several methods for automatic collapse and expansion of Js operation tree nodes

1. Method 1 copy the code code as follows: var tree = L5.getCmp('edocOutfileRelationTree'); //Add the selection tree, and the node will automatically collapse tree.on("click", function(node,e){ node.

2025-07-01
Simple example of form validation using HTML5

This article mainly introduces a simple example of form verification using HTML5, including a small example sharing on the mobile phone. Friends who need it can refer to HTML5 to provide a paste attribute for form elements, which accepts a regular express

2025-07-01
A brief analysis of the layout of HTML5 pages of mobile devices

This article introduces the layout of the html5 page of mobile device. Friends who are interested in disk articles will learn together. We combine the characteristics of mobile devices (mobile phones and tablets) to introduce the new semantic tag elements

2025-07-01
Detailed summary of js bubble, capture events and prevent bubbles

There are problems of event bubbles and event capture in javascript and jquery events. The following is a detailed summary of the two problems and their solutions. Event bubble is a process of bubbled from child nodes to ancestor nodes; event capture is j

2025-07-01
Detailed introduction to the Javascript unit testing framework QUnitjs

1. What is QUnitQUnit (http://qunitjs.com/) is a very powerful javascript unit testing framework that can help you debug your code. It was written by members of the jQuery team and is an official test set for jQuery. But QUnit is usually enough

2025-07-01
Share several examples of HTML5 design and modification pages

This article mainly introduces several page examples of HTML5 designed and modified. It mainly uses HTML5 to polish ordinary pages. Friends who need it can refer to it to understand and be familiar with the new semantic elements in HTML5. The best way is

2025-07-01
Ajax Submit Form to Implement Web Page Refreshless Registration Example

Ajax unrefreshed copy code code is as follows: var xmlHttp; uName() //When the user name loses focus { if(all.uname.=="") { all.l1.innerHTML="cannot be empty!"; setTimeout("close(1)",

2025-07-01
Use html5 canvas to draw clock code example sharing

This article mainly introduces the relevant information shared by using html5 canvas to draw clock code examples. Friends who need it can refer to HTML5 is powerful enough to implement many functions. Drawing a clock is just a gadget. Image pointer can be

2025-07-01
Detailed explanation of the settings of background-image attribute in html

The background-image property allows you to specify an image to be displayed in the background. It can be used in conjunction with background-color, so if the image is not repeated, the background color will be filled with the background color if the imag

2025-07-01
A simple plug-in that implements multiple selections of drop-down boxes is more portable

When I used the multi-first drop-down box I wrote last time, I found a lot of problems. After modification and improvement, it can now be used well and has good portability. The following is the source code. The js copy code code is as follows: (function(

2025-07-01
Based on HTML5 code to realize the folded menu with source code download

Based on the html5 code, the folded menu is downloaded with source code. The effect is realistic and very convenient to use. Friends who are interested in the html5 folded menu can refer to the folded menu based on the html5 code to download with source c

2025-07-01
JavaScript method to get the value of a column in a table

1. The source code copy code is as follows:

2025-07-01
Two ways to refresh the parent window when closed

window.opener.location.reload() Renewal Father window.opener.location.reload() Give window.opener.location.href=window.opener.location

2025-07-01

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