div+jquery puts down the pull-down box

28May2023

In web development, the drop-down box (select) is a very commonly used form element. When using jQuery to write dynamic web pages, you often need to obtain the value of the drop-down box for subsequent operations. However, in actual use, we sometimes encounter situations where the drop-down box has no value or no value is selected. This article will discuss how to determine whether the jquery drop-down box has a value. 1. Get the value of the drop-down box In jQuery, you can use the .val() method to get the value of the drop-down box. For example, we have a drop-down box with the id "mySelect",

16May2016

This article mainly introduces jquery's method of realizing the pull-down effect of selected radio buttons, involving dynamic operation skills of jquery mouse events and page element styles. This function can be used to dynamically display specific content (such as invoice printing, etc.). Friends who need it can For reference

08May2023

In web development, drop-down boxes are very common interactive components. Through the drop-down box, the user can select one of the options to complete a specific operation. However, many times we need to set default values ​​for drop-down boxes to improve user experience. This article will introduce how to use jQuery to set the default value of a drop-down box. Before starting this article, we need to understand some relevant basic knowledge. jQuery is a very popular JavaScript library whose main purpose is to simplify DOM manipulation and event handling. In this article

16May2016

The editor below will bring you a jquery implementation of the drop-down box function [example code]. The editor thinks it’s pretty good, so I’ll share it with you now and give it as a reference.

26Apr2023

In web development, it is often necessary to use drop-down boxes (also called selects) to allow users to select some options. Sometimes, we need to preset the options of the drop-down box, that is, a certain option has been selected when the page loads. At this time, we can use jquery to set the selected value of the drop-down box. jquery is a commonly used JavaScript library, which can simplify the writing of JavaScript code and provide many convenient operation methods. When using jquery to set the selected value of a drop-down box, you need to first obtain the corresponding drop-down box element.

31Dec2017

What I bring to you this time is how jQuery makes the value in the click drop-down box accumulate to the text box. This article will give you a good analysis.

16May2016

jQuery implementation code for getting and setting the select drop-down box value. Friends who need it can come here for reference. I hope it will be helpful to everyone.

12Jan2018

This article mainly introduces the relevant knowledge of jQuery to implement the select drop-down box to obtain the currently selected text, value, index, and add/delete the Option items of Select. It has a good reference value. Let's take a look with the editor below, I hope it can help everyone.