solution launched by Microsoft in the browser World War in the S. It stores local data with the behaviour attribute of DHTML, allowing each page to store up to 64 K data, and each site can store up to k Data, the disadvantage of userData is obvious. It is not part of the Web standard, unless your program only needs to support IE, it is basically useless.3. Flash cookie. Flash cookies are not the same as HTTP cookies. They may be called "Flash local storage". By default, Flash cookies allow each
, because each item has the same name property, only the first item is returned[note] Only Ie8-ie11 browser supportdocument.all ()Before Dom Normalization, IE4 introduced the document.all[] collection to represent the elements in all documentsNow that the Document.all method has been deprecated, to achieve a similar effect, you can use the document.getElementsByTagName (' * ') method, which indicates that all elements are matchedAt lastThe Getelementsbyname () method is not commonly used, plus t
Research on Web worker multi-thread API in JavaScript, workerapi
HTML5 supports APIs such as Web Worker, allowing Web pages to execute multi-threaded code securely. However, Web Worker is actually subject to many restrictions because it cannot truly share memory data and can only use messages for status notifications. Therefore, it cannot even be called a real "multi-thread ".
The Web Worker interface is in
. SceneviewIn the same way, give the full HTML code:DOCTYPE HTML>HTML>Head>MetaCharSet= "Utf-8">Metaname= "Viewport"content= "initial-scale=1, maximum-scale=1, User-scalable=no">title>Get started with sceneview-create a 3D maptitle>style>html, body, #viewDiv{padding:0;margin:0;Height:100%;width:100%; }style>Linkrel= "stylesheet"href= "Https://js.arcgis.com/4.2/esri/css/main.css">Scriptsrc= "HTTPS://JS.ARCGIS.COM/4.2/">Script>Script>require (["Esri/map", "Esri/views/sceneview", "dojo/domready!
If you are not familiar with event events, it is recommended to read my previous text javascript: Understanding DOM events. Or look directly below the worker API.First, we need to instantiate a worker object, and the browser will open a new interface based on the newly created Worker object, which will handle the communication between the client and the INDEXEDDB database. The database here refers to the browser database. If you need to determine whet
Query is one of the common functions of webgis. map-based query has evolved in many forms. Currently, there is no fixed mode for displaying the query in what form, which is suitable for webgis, what forms can meet the needs of applications. For example, to describe the most typical scenario, click the map to display a TIP small window, showing the simple information of the query object, the small window provides a "details" link, click it to display the data card on the webpage. There is also su
1.2. Object does not support the "replace" property or methodSolution: Generally in IE, the implementation of JS will report such errors, the basic problem is that you refer to an object does not exist in the method, it may be that the method exists and you write wrong, or call this method when the illegal parameters, but this is only careless, there is the reason for the name repetition, The custom method name and the original repetition.3.iis HTTP Error 403.14-forbidden Web issueIf the directo
Baidu Map API (JavaScript)--Highlight the selected administrative divisions
var map = new Bmap.map ("Map_container");
function Initmap (map, "Changsha") {var point = new Bmap.point (112.987402, 28.201509); Create point coordinates 112.987402, 28.201509Map.centerandzoom (point, 8); Initializes the map, setting the center point coordinates and the map level.Map.addcontrol (New Bmap.scalecontrol ()); Add a sca
Using CORS to Use API applications from JavaScript, corsapi
The Application Service provides built-in cross-origin Resource Sharing (CORS) support, allowing JavaScript clients to call APIs hosted in API applications across domains. Application Service allows you to configure CORS access to APIs without writing any code
ArcGIS API for JavaScript development environment setup and first instance demoESRI has released the latest ArcGIS Server for JavaScript API v3.9 so far, which provides richer and more powerful functions.
I. Preparations before installation
1. download the latest "ArcGIS Server for
2011-2-5
ESRI javascript API
There are two ways to reference ESRI JavaScript APIs
1. Online Reference
2 offline reference
Download the ArcGIS Javascript. API offline package and deploy it as instructed.
ArcGIS API
The new APIs available in modern browsers tend to be more mobile apps than traditional desktop apps, such as JavaScript geographic information APIs. Another JavaScript API for mobile apps is the vibration (vibration) API. Obviously, the API is to allow mobile programmers to
1. First get Baidu JavaScript APIFirst open the http://api.map.baidu.com/api?v=1.3 as shown in the browserWhere http://api.map.baidu.com/getscript?v=1.3key=services=t=20121108061854 this link is the API file we're looking for,Also open it in the browser and save it as "Apiv1.3.min.js"and Baidu map must be some of the controls, cursors, logos and other pictures ar
Ecmascript5 provides a series of new API interfaces, which are supported in most of the new browsers, including ie9, chrome, and firfor, A small number of APIs are not supported by all browsers. The following content only describes most of the supported APIs. With the new API, we can design very reliable classes and maintain the original JavaScript style.
Ecmascr
Author: flyingis
ArcGIS Server has become the core product of ArcGIS. Javascript/flex API brings great convenience and shocking user experience to GIS application development, however, it seems that the process of setting up and making great contributions to the ArcGIS Server will gradually fade out of sight, it must be whether the ADF will be replaced by JavaScript
(gbrowseriscompatible ()){
// Start creating and operating the map
} Else {
// Define your handling of this exception here if necessary
}
Of course, in your own code, you still need to implement compatible code for different browser environments. Here gbrowseriscompatible () it only ensures that the map API class library runs in its compatible environment.
4. register the Google map API key of the website
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