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Here is the code for JS:
Copy Code code as follows:
JQuery.fn.size = function ()
{
Return JQuery (this). Get (0). Options.length;
}
Get the index of the selected item
JQuery.fn.getSelectedIndex = function ()
{
Return JQuery (this). Get (0). SelectedIndex;
}
Get the text of the currently selected item
JQuery.fn.getSelectedText = function ()
JQuery selector is a simple method for caching selector in objects.
When using libraries such as jQuery, developers usually use selectors to access and manipulate elements in the DOM. It is a good idea to cache a choice that is repeatedly accessed on the page for better performance.
Let's look at an example,
jQuery(doc
jquery implements the text box defaults to induce mouse actions:
This section describes how to use jquery to implement the default value of the text box to induce mouse action.For example, when the text box gets the mouse focus, the default value is emptied, and when the
Summernote is a jquery-based bootstrap super simple WYSIWYG online editor. Summernote is very lightweight, only 30KB in size, supports Safari,chrome,firefox, Opera, Internet Explorer 9 + (IE8 support is coming soon). Characteristics:The world's best WYSIWYG online editorExtremely easy to installOpen sourceCustomizing the initial optionsSupport shortcut keysSuitable for various back-end program speechHow to
Today we use jquery and CSS3 to create a simple and Extensible tab menu, which also has a slider effect when switching, first to look at:By comparing fake orders with the tab menu, you can also customize the look you need with CSS code.We can see the demo demo of this tab menu here.Read the demo, and then read the tab menu source code, mainly by the CSS code and
In People's Network: http://news.people.com.cn/GB/124421/index.html, Xinhuanet: http://www.xinhuanet.com/xhzb/index.htmand other sites have text broadcast. Yesterday, I just completed the text live broadcast system for the school's 60-day celebration. Of course, it was not done using MVC. Today, I will use ASP. NET MVC3 + EF + JQuery to complete this system. It a
When we log on to the site, the text box often prompts you to enter the information, when you click on the text box, prompting information automatically disappear, when there is nothing in the text box, and lost focus, there is a hint text.
1. Prototype development, first make a s
Use jQuery to sort unordered lists in a simple way.
The principle of using jQuery to sort unordered lists is to obtain all list items in the unordered list and convert them into arrays. Then, use the JavaScript function to sort them and output them again. The jQuery functions used include ready (), get (),
Checks user input of input [textpasswordhidden] And textarea.
The Code is as follows:
/*** Power by wooshoo copyright 2008-2009* Program name: JQuery dedicated input checker* Content: Checks user input of input [text password hidden] And textarea.* The check scope includes: number of characters, whether it contains special characters, whether it is an integer, whether it complies with the email format, wh
Copy codeThe Code is as follows:/*** Power by wooshoo copyright 2008-2009* Program name: JQuery dedicated input checker* Content: Checks user input of input [text password hidden] And textarea.* The check scope includes: number of characters, whether it contains special characters, whether it is an integer, whether it complies with the email format, whether it is a telephone number,* Is it a website address
The front-end development process needs continuous learning, continuous review. Recently plan to continue to study jquery during the day, the evening to learn the native JavaScript, and then use some time to do website promotion SEO again. Plan for the time being.
Finish the day, get a jquery. Imitation of the customer sincerity product picture switch effect
The previous writing is not very good, today to
I have also introduced a jquery plug-in with similar effects, jquery maxlength text limit plug-in. However, this charcount deployment is simpler, and it has the function of exceeding the number prompt.
Simple deployment:
1. Load JS: CopyCodeThe Code is as follows:
2. HTML structure: copy Code the code
I have been in touch with jquery for some time, and today I just use the carousel to practice practicing. The front of the blog will introduce a simple use of jquery to do a carousel diagram of the example, the middle will be inserted some more about the carousel diagram, in the following will be a JavaScript method to write a carousel diagram, and finally on the
A simple example of how jquery uses Ajax to get data across domains
var WebMethod = "Http://localhost:54473/Service1.asmx/HelloWorld";
JQuery.support.cors = true;
Didn't add this sentence always hint no transport, I didn't go to deep thought.
$.ajax
({
type: POST,
contentType: "application/x-www-form-urlencoded",
dataType: "html",
URL: "http:/ /www.*****.com "
jquery is really handy, here's a simple Ajax call:To create a simple HTML file:DOCTYPE HTML>HTML>Head>Scripttype= "Text/javascript"src= "Public/js/jquery-easyui-1.3.1/jquery-1.8.2.min.js">Script>Scripttype= "
This article illustrates the way jquery uses Ajax to load a piece of text content. Share to everyone for your reference. The specific analysis is as follows:
This is the W3school official website provides a simple example, pay attention to the coding problem, otherwise may appear garbled. The code is as follows:
Copy Code code as follows:
I've also introduced a similar effect to the jquery plugin jquery maxlength text word limit plugin, but this time the charcount deployment is simpler and has the ability to exceed the number prompts.
Simple deployment:
1. Load js:
Copy Code code as follows:
2.Html Structure:
Co
selected element. Hide (); The hidden event $ (selector) of the selected element. Show (' Slow '); Display events for selected elements5. Text selectionGet Content-text (), HTML (), and Val ()Three simple and practical jQuery methods for DOM manipulation:
Text ()-S
A small feature in a Web site that requires users to enter only 16 digits.
Try the JavaScript method:
For example: One method:
Only allow input number
function Checkkey2 (value, e) {
var key = window.event? E.keycode:e.which;
if (Key > key
Another method:
Only numbers can be entered with regular expression restrictions:
onkeyup= "Value=value.replace (/[^/d]/g," "Onbeforepaste=" clipboarddata.setdata (' text
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