Basic event methods: 1. click(), set the mouse click event; 2. dblclick(), set the mouse double-click event; 3. change(), set the content change event; 4. focus(), Set the trigger focus event; 5. blur(), set the focus loss event; 6. mousedown(), etc.
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
Event method trigger or add a function to the event handler of the selected element.
The following table lists some jQuery methods for handling events.
Method
Description
bind()
Add an event handler to an element
blur()
Add/trigger lost focus event
change()
Add/ Trigger change event
click()
Add/trigger click event
dblclick()
Add/trigger double click event
die()
was removed in version 1.9. Remove all event handlers added through the live() method
focus()
Add/trigger focus event
focusin()
Add event handler to focusin event
focusout()
Add event handler to focusout event
hover()
Add two event handlers to the hover event
keydown()
Add /Trigger keydown event
keypress()
Add/Trigger keypress event
keyup()
Add/trigger keyup event
live()
Removed in version 1.9. Add one or more event handlers to the current or future selected elements
mousedown()
Add/trigger the mousedown event
mouseenter()
Add/trigger mouseenter event
mouseleave()
Add/trigger mouseleave event
mousemove()
Add/trigger mousemove event
mouseout()
Add/trigger mouseout event
mouseover()
Add/trigger mouseover event
mouseup()
Add/trigger mouseup Event
off()
Remove the event handler added through the on() method
on()
Add event handlers to elements
one()
Add one or more event handlers to the selected element. This handler can only be triggered once per element
ready()
Specifies the function to be executed when the DOM is fully loaded
toggle()
Removed in version 1.9. Add two or more functions to switch between click events
trigger()
Trigger all events bound to the selected element
triggerHandler()
Trigger all functions bound to the specified event of the selected element
unbind()
Remove the added event handler from the selected element
#undelegate()
Remove the event handler from the current or future selected element program
2. The difference between mouseover and mouseenter: regardless of whether the mouse pointer passes through the selected element or other Child elements will trigger the mouseover event, which is called supporting bubble processing. Bubble processing refers to an event jointly defined by the child element and the parent element. When the child element is triggered, or the child element is not defined, the event will Propagated to the parent, causing the parent event to be triggered. The mouseenter event is only fired when the mouse pointer passes over the selected element.
3. The form element has a default behavior of submitting the form. If it is processed through submit, this default behavior of the browser needs to be disabled. The traditional way is to call the event object e.preventDefault() to handle it. In jQuery, you can directly return false at the end of the function.
The above is the detailed content of What are the basic event methods in jquery?. For more information, please follow other related articles on the PHP Chinese website!
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Detailed explanation of jQuery reference method: Quick start guide jQuery is a popular JavaScript library that is widely used in website development. It simplifies JavaScript programming and provides developers with rich functions and features. This article will introduce jQuery's reference method in detail and provide specific code examples to help readers get started quickly. Introducing jQuery First, we need to introduce the jQuery library into the HTML file. It can be introduced through a CDN link or downloaded
How to use PUT request method in jQuery? In jQuery, the method of sending a PUT request is similar to sending other types of requests, but you need to pay attention to some details and parameter settings. PUT requests are typically used to update resources, such as updating data in a database or updating files on the server. The following is a specific code example using the PUT request method in jQuery. First, make sure you include the jQuery library file, then you can send a PUT request via: $.ajax({u
jQuery is a fast, small, feature-rich JavaScript library widely used in front-end development. Since its release in 2006, jQuery has become one of the tools of choice for many developers, but in practical applications, it also has some advantages and disadvantages. This article will deeply analyze the advantages and disadvantages of jQuery and illustrate it with specific code examples. Advantages: 1. Concise syntax jQuery's syntax design is concise and clear, which can greatly improve the readability and writing efficiency of the code. for example,
How to remove the height attribute of an element with jQuery? In front-end development, we often encounter the need to manipulate the height attributes of elements. Sometimes, we may need to dynamically change the height of an element, and sometimes we need to remove the height attribute of an element. This article will introduce how to use jQuery to remove the height attribute of an element and provide specific code examples. Before using jQuery to operate the height attribute, we first need to understand the height attribute in CSS. The height attribute is used to set the height of an element
Title: jQuery Tips: Quickly modify the text of all a tags on the page In web development, we often need to modify and operate elements on the page. When using jQuery, sometimes you need to modify the text content of all a tags in the page at once, which can save time and energy. The following will introduce how to use jQuery to quickly modify the text of all a tags on the page, and give specific code examples. First, we need to introduce the jQuery library file and ensure that the following code is introduced into the page: <
Title: Use jQuery to modify the text content of all a tags. jQuery is a popular JavaScript library that is widely used to handle DOM operations. In web development, we often encounter the need to modify the text content of the link tag (a tag) on the page. This article will explain how to use jQuery to achieve this goal, and provide specific code examples. First, we need to introduce the jQuery library into the page. Add the following code in the HTML file:
How to tell if a jQuery element has a specific attribute? When using jQuery to operate DOM elements, you often encounter situations where you need to determine whether an element has a specific attribute. In this case, we can easily implement this function with the help of the methods provided by jQuery. The following will introduce two commonly used methods to determine whether a jQuery element has specific attributes, and attach specific code examples. Method 1: Use the attr() method and typeof operator // to determine whether the element has a specific attribute
jQuery is a popular JavaScript library that is widely used to handle DOM manipulation and event handling in web pages. In jQuery, the eq() method is used to select elements at a specified index position. The specific usage and application scenarios are as follows. In jQuery, the eq() method selects the element at a specified index position. Index positions start counting from 0, i.e. the index of the first element is 0, the index of the second element is 1, and so on. The syntax of the eq() method is as follows: $("s
