Js notes (9)-some knowledge points recorded when interpreting jquery source code

Recently, I have been using my spare time to read jquery2.1.1 source code, and I have read about two thousand lines. At ordinary times, I made some notes and posted them for sharing. 1. array. prototype. slice. call can convert a pseudo array to a

Analysis of jQuery's cache mechanism

Not long ago, when studying jQuery's animation queue, I found that jQuery's cache system is also very powerful. Although I have been a little touched on it before, I have never studied it in depth. JQuery's cache system is relatively simple for

JQuery learning notes 7 methods for building functions

1: $ (selectorStr [, restricted range]), accepts a selector (string conforming to jQuery specifications), and returns a jQuery object; Copy codeThe Code is as follows:// $ (Selector [, restricted range])$ (". Guo"). click (function () {// There is

What are the feasible methods for obtaining website icons?

The simplest way to get website icons is to get them through website/favicon. ico. However, many websites use favicon in pages, so this method is unavailable in many cases.A better solution is to use the services provided by google:Http://www.google.

Implementation Code of the pop-up form in the lower right corner of the webpage

Copy codeThe Code is as follows: _ × titleCodebase = "http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width = "210" height = "160">Pluginspage = "http://www.macromedia.com/go/getflashplayer" type =

Maximum and minimum values of z-index

Browser Maximum Value After the maximum value is exceeded Minimum value After the minimum value is less Remarks IE6 2147483647 2147483647 -2147483648 -2147483648   IE7 2147483647 2147483647

JavaScript code used to determine the browser type and version (with multiple instance codes)

In front-end development of websites, browser compatibility problems have left us in a hurry. Chrome's birth does not know how much trouble we need to add. Browser compatibility is the first problem to be solved by the front-end development

Use jQueryUIdialog + jQuery. validate to implement dynamic dialog box Verification

Use jQueryUIDialog to dynamically generate a dialog box. Use jQuery. validate for verification. MVCControlpublicActionResultCreate () {returnPartialView ();} MVCView code @ modelNetworkGrain. Models. Actionformmethodpo Use jQuery UI Dialog to

$. Ajax () method parameters in jQuery

Url: String-type parameter (the current page address by default. Type: a parameter of the String type. The request method (post or get) is get by default. Note that other http request methods, such as put and delete, can also be used, but are only

JQuery selector Usage Details

JQuery-powerful jQuery selector (detailed description) [go to] 1. basic selector Basics Name Description Example # id: Select $ (divId) based on the element Id. Select the element with ID as divId Based on the element name. $ (a) Select All a

How to Use the JavaScriptsplit Function

Example of using the split function in javascript to split a string: scriptalert (c: wwwccvita.jpg); varpathc: wwwccvita.jpg; vararrpath. split (); alert (arr);/script the following is a detailed description of the function: the split method Splits

Boolean Type of JavaScript Data Type

Today we are talking about a Boolean type in the data type. It returns both the true and false face values. Note that the face values are case sensitive, that is, all except lower-case letters are identifiers. The following describes various data

JavaScript development specifications

As a developer (We front-end JavaScript development), nonstandard development not only makes code maintenance difficult in the future, but also is not conducive to team cooperation, it usually brings about code security and execution efficiency

JavaScript quirks 1: implicit type conversion

Zero: abstract [this post is the first in the 12 quirks series of javascript.] JavaScript is very tolerant. "Don't refuse", don't care what type. For example, if it wants to accept numbers, it does not reject values of other types, but tries to

Convert JavaScript strings to xml and use

Print? // Convert the string to xmlfunctiontoXmlDom (source) {varxmlDocnull; if (window. ActiveXObject) {varARR_ACTIVEX [& quot; MSXML4.DOMDocument & quot;, & quot; MSXML3.DOMDocument & quot;, & q Print? // Convert string to xmlFunction toXmlDom

Jsoup parses html/obtains forum post information based on keywords

Taking the Forum broadband Mountain as an example, you need to obtain all posts about this keyword Based on the given keyword, including popularity, posting topic, reply count, publisher, posting time, and post link, detailed post text. The detailed

Json data conversion list object

JSON code: [{& quot; cId & quot;: 2, & quot; cName & quot;: & quot; \ u767d \ u841d \ u535c & quot;, & quot; amount & quot;: 26, & quot; price & quot;: & quot; 17 & quot ;},{ & quot; cId & quot;: 3, & quot; cNa JSON code: [{"CId": 2, "cName": "\ u767

Jquery + getJson + struts2, cross-origin access problems

Problem 1: Cross-origin access is unavailable or empty. Problem 2: the cross-origin return tag is incorrect. The preceding problem occurs during this cross-origin access using ajax. A lot of information is found on the Internet, it can be said only

Graphic illustration of how to use the FireXox browser plug-in FireBug

What is Firebug? after several years of Web development work, I feel that there are higher requirements for WEB development. Write beautiful HTML code; write exquisite CSS style sheets to display each page module; debug javascript to add more lively

JavaScript Array Operations

1. Create vararrayObjnewArray () for arrays; // create an array vararrayObjnewArray ([size]); // create an array and specify the length. Note that it is not the upper limit, is the length vararrayObjnewArray ([element0 [, element1 [,... [, elementN])

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