List of common jQuery events
[List of commonly used events in jQuery, specific code examples are required]
jQuery is a popular JavaScript library that is widely used in web development. In jQuery, event handling is a very important part. Through events, we can achieve interactive and dynamic effects on the page. This article will introduce commonly used events in jQuery, including click events, mouse events, keyboard events, etc., and provide specific code examples.
1. Click event
1. click event
The click event is an event triggered when an element is clicked. It can be obtained through the click()
method. Bind the handler function of the click event.
$("#btn").click(function(){ alert("按钮被点击了!"); });
2. dblclick event
The dblclick event is an event triggered when an element is double-clicked. The handler function of the dblclick event can be bound through the dblclick()
method.
$("#box").dblclick(function(){ alert("盒子被双击了!"); });
2. Mouse events
1. mouseenter and mouseleave events
mouseenter and mouseleave events are triggered when the mouse enters and leaves the element respectively. They can be passed mouseenter( )
and mouseleave()
methods to bind the handler function.
$("#box").mouseenter(function(){ $(this).css("background-color", "red"); }).mouseleave(function(){ $(this).css("background-color", "white"); });
2. Hover event
The hover event is triggered when the mouse enters and leaves the element, and the handler function can be bound through the hover()
method.
$("#box").hover(function(){ $(this).css("background-color", "blue"); }, function(){ $(this).css("background-color", "white"); });
3. Keyboard events
1. keydown, keypress and keyup events
keydown, keypress and keyup events are triggered when the keyboard keys are pressed, held down and released respectively , the processing function can be bound through the corresponding method.
$(document).keydown(function(event){ console.log("按下了键:" + event.key); }); $(document).keypress(function(){ console.log("按住键不放。"); }); $(document).keyup(function(){ console.log("释放了键。"); });
4. Other common events
In addition to the above-mentioned common events, jQuery also supports other events, such as change, submit, resize, etc. These events can also be bound to handler functions through corresponding methods.
$("#input").change(function(){ alert("输入框内容发生了变化。"); }); $("#form").submit(function(){ alert("表单提交了。"); }); $(window).resize(function(){ alert("窗口大小发生了变化。"); });
In projects, reasonable use of these events can add interactivity and user experience to the page. I hope the content of this article can be helpful to the majority of developers.
Conclusion
Through the introduction of this article, we have learned about the commonly used events in jQuery and their corresponding code examples. These events are commonly used interactive methods in web development, and mastering them can help developers achieve richer page effects. I hope readers can improve their front-end skills through practice and continuous learning.
The above is the detailed content of List of common jQuery events. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



How to add click event to image in Vue? Import the Vue instance. Create a Vue instance. Add images to HTML templates. Add click events using the v-on:click directive. Define the handleClick method in the Vue instance.

The event-driven mechanism in concurrent programming responds to external events by executing callback functions when events occur. In C++, the event-driven mechanism can be implemented with function pointers: function pointers can register callback functions to be executed when events occur. Lambda expressions can also implement event callbacks, allowing the creation of anonymous function objects. The actual case uses function pointers to implement GUI button click events, calling the callback function and printing messages when the event occurs.

In Vue.js, event is a native JavaScript event triggered by the browser, while $event is a Vue-specific abstract event object used in Vue components. It is generally more convenient to use $event because it is formatted and enhanced to support data binding. Use event when you need to access specific functionality of the native event object.

Steps to build a single-page application (SPA) using PHP: Create a PHP file and load Vue.js. Define a Vue instance and create an HTML interface containing text input and output text. Create a JavaScript framework file containing Vue components. Include JavaScript framework files into PHP files.

Click events in JavaScript cannot be executed repeatedly because of the event bubbling mechanism. To solve this problem, you can take the following measures: Use event capture: Specify an event listener to fire before the event bubbles up. Handing over events: Use event.stopPropagation() to stop event bubbling. Use a timer: trigger the event listener again after some time.

A DIV in CSS is a document separator or container used for grouping content, creating layouts, adding style, and interactivity. In HTML, the DIV element uses the syntax <div></div>, where div represents an element to which attributes and content can be added. DIV is a block-level element that occupies an entire line in the browser.

Vue.js event modifiers are used to add specific behaviors, including: preventing default behavior (.prevent) stopping event bubbling (.stop) one-time event (.once) capturing event (.capture) passive event listening (.passive) Adaptive modifier (.self)Key modifier (.key)

DOM (Document Object Model) is an API for accessing, manipulating and modifying the tree structure of HTML/XML documents. It represents the document as a node hierarchy, including Document, Element, Text and Attribute nodes, which can be used to: access and modify Document structure Access and modify element styles Create/modify HTML content in response to user interaction
