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Simple book backend management system tutorial for PHP development

Course Advanced 62367

Course Introduction："Tutorial on Simple Book Backend Management System for PHP Development" introduces how to create a simple book backend management system through PHP to help manage books.

PHP development practical tutorial on making a simple calendar

Course Advanced 9370

Course Introduction："PHP Development Practice: Making a Simple Calendar Tutorial" introduces how to make a simple calendar with search year and month through PHP.

jQuery in-depth video tutorial

Course Intermediate 13398

Course Introduction："JQuery In-Depth Video Tutorial" This course was recorded by Beifeng.com and explains jquery in depth. It encapsulates commonly used functional codes in JavaScript, provides a simple JavaScript design mode, and optimizes HTML document operations, event processing, animation design and Ajax interaction.

jquery basic video tutorial

Course Elementary 59669

Course Introduction：jQuery is easy to learn. We hope that our "JQuery Basics Video Tutorial" can help everyone learn jQuery better. jQuery is a JavaScript library that simplifies JavaScript programming.

Quick introduction to jQuery

Course Elementary 6833

Course Introduction：jQuery is an efficient, streamlined and feature-rich JavaScript tool library. Its purpose is to "write less and do more". It greatly simplifies JavaScript programming and is easy to learn. This set of courses will take you directly to learn the basics of jQuery and take your front-end learning to the next level!

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Why can't jQuery or DOM methods like getElementById locate elements?

What are the possible reasons why document.getElementById, $("#id") or any other DOM method/jQuery selector cannot find the element? Example issues include: jQuery silently fails to bind event handlers jQuery "getter" methods (.val(), .html(), .text()) return undefined Standard DOM methods that return null result in the following error: Uncaught type Error: Cannot set null property '...' uncaught

2023-10-15 15:40:06

Why can't jQuery or getElementById locate the element?

What are the possible reasons why document.getElementById, $("#id") or any other DOM method/jQuery selector cannot find the element? Example issues include: jQuery silently fails to bind event handlers jQuery "getter" methods (.val(), >.html(), .text()) return undefined Standard DOM methods that return null result in the following error: Uncaught TypeError: Cannot set null property '..

2023-10-15 14:53:18

javascript - When doing || operation between jquery objects, why is the returned value not of boolean type?

The jquery source code fragment is as follows: {Code...} I think the context here is a jquery object, and the rootjquery is $(document). But shouldn’t the demerits they return be a Boolean value? Why is it a jquery object here? So the || operation is in What is done here? What is his role??? Thank you

2017-05-16 13:35:57

javascript - Newbie, please tell me why the jquery method can be used on this DOM object?

{Code...} $p = $(document.getElementsByTagName("div")); Isn't this a dom object? Why is it still useful if I use the jquery method below? I tested that if the above is a jquery object and the dom operation method is replaced below, it will not work. . . Also, jquery objects and dom objects...

2017-07-05 10:59:54

javascript - Why can't $.post() in jquery submit data across domains?

For example, why can the ajax method encapsulated in jquery use jsonp to submit data in the get method, but directly use the post method to submit data across domains? What is the root cause?

2017-05-16 13:36:50

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jquery simple popup layer floating layer code_jquery

Course Introduction：A simple jquery pop-up box code implementation. Click the link to pop up a modal dialog box. Click anywhere else on the web page to close the pop-up box. You can customize the transparency. Simple and practical jquery pop-up box effect.

2016-05-16 comment 0 1369

jquery simple navigation implementation code_jquery

Course Introduction：jquery simple navigation implementation code, friends in need can refer to it.

2016-05-16 comment 0 899

jQuery simple chart peity.js usage example_jquery

Course Introduction：This article mainly introduces the use of jQuery simple chart peity.js. Friends who need it can refer to it.

2016-05-16 comment 0 1231

jquery (show, fadeOut, Animate) simple effect_jquery

Course Introduction：jquery (show, fadeOut, Animate) simple effect, friends in need can refer to it.

2016-05-16 comment 0 889

A jQuery drop-down menu with simple code

Course Introduction：A jQuery drop-down menu with simple code and suitable for novices to read. Recently I found a simple jQuery drop-down menu with very little code, which is very suitable for beginners with basic knowledge to learn and improve.

2016-12-15 comment 0 1575

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