Found a total of 2 related content
How to use JavaScript to achieve drop-down box linkage effect?
Article Introduction:How to use JavaScript to achieve drop-down box linkage effect? In developing web pages, drop-down box linkage is a common interactive effect. It dynamically changes the option content of another drop-down box by selecting an option in one drop-down box, thereby achieving linkage between the two. This article will introduce how to use JavaScript to achieve the linkage effect of drop-down boxes, and attach specific code examples. HTML structure First, we need to create two drop-down boxes and add id attributes to them so that JavaScr
2023-10-20comment 0782
How does JQuery realize the dynamic change function of the value of the drop-down box?
Article Introduction:JQuery is a popular JavaScript library widely used in web development. Among them, the drop-down box is a widely used interactive element. In some scenarios, the web page needs to dynamically change the value of the drop-down box based on user operations. In this article, we will introduce how to use JQuery to dynamically change the value of a drop-down box. First, add a reference to the JQuery library at the head of the web page. You can use CDN or local introduction. As shown below: ```html
2023-04-17comment 0749