JavaScript authoritative Guide Learning Note 18: BOM New Achievements (1)--Client store data (Web SQL database implementation)

With local storage and session storage, simple object persistence can be achieved, with simple key-value pairs or objects stored. However, when dealing with more complex relational data, it is necessary to use Web SQL database. browser support for

JQuery image switching plug-in jquery. cycle. js

Cycle is a great jQuery image switching plug-in. It provides excellent functions to help you use the plug-in's magic lamp function more easily. Download and introduce the cycle plug-in. At this time, note that the Code to introduce it is placed

Troubleshoot javascript errors

This blog has to be written. It wastes me a morning. In order to quickly find errors in this area in the future, saving more time.This is the case: I wrote a background management system that references Marix Admin, because this system contains many

Publish/subscribe to an instance using JavaScript

    Three kill servers of efficient AJAX websites: Event proxy, browsing history management, and efficient application-level publishing/subscription communication mechanism. the original site of this blog uses these three technologies at the same

Use js to detect intersection of two line segments

In Graphic programming, it is often necessary to detect the intersection of two line segments. For example, the collision detection of irregular lines is the basis for detecting the collision of line segments. a line segment is not a straight line.

Example of loop in js

Multiplication statement // for (i1; I & lt; 9; I ++) {// control row // for (j1; j & lt; I; j ++) {// control // document. write (I + & quot; * & quot; + j + & quot; + (I * j) + & quot; & amp; nbsp & quot ;); ///} // document. write (& quot; & lt  

FirefoxBUG: When the page is too large, the background-image background image rendering error

A simple page is as follows: & lt ;! Doctypehtml & gt; & lt; html & gt; & lt; bodystyle & quot; background-image: url(1.gif) & quot; & gt; & lt; divstyle & quot; width: 80000px; height: 80000px; & quot; & gt; & lt A simple page is as follows:      

Use js to read, write, and delete cookies

// Verified // JavaScriptDocument // usage instructions: // set cache: setCookie (& quot; name & quot;, value); // obtain the cache: varnamegetCookie (& quot; name & quot;); // Delete cache: delCookie (& quot; name & quot;); // set coo // verified //

Deep understanding of the JavaScript series (6): single responsibility SRP under the five principles S.O.L. I. D

Preface Uncle Bob proposed and carried forward S.O.L. i. d. Five Principles for better Object-Oriented Programming: 1. theSingleResponsibilityPrinciple (single responsibility SRP) 2. theOpen/ClosedPrinciple (open and closed principle OCP) 3. theLisk.

Event handler for element binding dynamically added by jQuery

Jquery has not been used for a while, and today we have encountered this problem. At that time, we knew that livejquery could solve the problem. But I don't like loading another one for this purpose. I used to manually bind the event handler when I

Js time-price-Sort case ----- bubble sort instance

Js time-price-sorting, static page sorting case a Bubble Sorting instance is used in the project to share it. Varsort {sortdata: & amp; #39; & amp; #39;, // the original data must be filled with www.2cto before sorting. comflag: & amp; #39; & amp; #3

Javascript ID card number verification function supports x

// -- ID card number verification-support for new functionisIdCardNo (num) {varfactorArrnewArray ); varerror; varvarArraynewArray (); varintValue ;... // -- ID card number verification-new x ID card supported Function isIdCardNo (num) { Var

Basic JavaScript (1)

This article briefly introduces the basic knowledge about getting started with javascript, including the scope transfer value and basic type and reference type of declared variables with variables. -- 1. Data Type and value javascript: three basic

JQuery Study Notes 1

JQuery learning Notes 1. Jquery Introduction 1. JQuery is an encapsulation of JavaScript (many extensions of JQuery) 2. $ (# div) in JQuery) # indicates that one element is not added # indicates multiple. 3. JQuery shields the differences between

JQuery obtains all form values

Currently, IE does not support CSS: ViewCode & lt; style & gt; body {margin: 0; padding: 0 ;}div {margin: 0; padding: 0 ;}. container {margin-left: 10%; margin-right: 10%;} ulli {list-style: none;} ul {paddi... Currently, Internet Explorer does not

Simple implementation of JSMap and List

/** MAP object to implement the MAP function ** interface: * size () gets the number of MAP elements * isEmpty () to determine whether the MAP is blank * clear () delete all MAP elements * put (key, value) add elements (key, value) * remove (key) to

Javascript learning note (9) object-Design Mode

1. create ViewCode1varpersonnewObject (); 2person. name & quot; RuiLiang & quot; 3person. age30; 4person. job & quot; Teacher & quot; 5person. sayNamefunction () {6 alert (this. name); 7} 1. Create an objectView Code 1 var person = new Object ();2

Javascript learning notes (13) js Closure

Closure is a difficult and characteristic of Javascript language. Many advanced applications rely on closures for implementation. 1. To understand the scope of variables, you must first understand the special scope of variables in Javascript.

Defining classes in Javascript

I need to encapsulate some classes in my work today. I still feel that some of my work is not enough. I read the following article and I am very familiar with it. I will share it with you. Javascript itself does not support object-oriented objects.

Differences Between Binary Tree and non-recursive Traversal

1 # include & lt; iostream & gt; 23 # defineMAXN1004usingnamespacestbd; 567structBTNode8 {9 chartag; 10BTNode * left; 11BTNode * right; 12}; 1314classBTree15 {16pri... 1 # include 2 3 # define MAXN 100 4 using namespace stbd; 5 6 7

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