10 recommended articles on cross-domain communication

HTML5 provides the function of receiving and sending information between web documents. Using this function, as long as the instance of the window object where the web page is located is obtained, not only web web pages of the same origin (domain + port number) can communicate with each other, but even cross-domain communication can be achieved. Browser support: IE8+, firefox4+, chrome8+ opera10+1. First of all, if you want to receive messages from other windows, you must monitor the message event of the window object, as follows: window.addEventListener("message", function(){},false);2. Secondly, you need to use the postMessage method of the window object to send messages to other windows. The method is defined as follows: otherWindow.postMessage(message, targetOrigin); This method uses 2 parameters, the first One parameter is the text of the message sent, but it can also be any javascript object, and the second

1. How to use postMessage in HTML5 to implement POST cross-domain issues in Ajax

Introduction: HTML5 provides the function of receiving and sending information between web documents. Using this function, as long as the instance of the window object where the web page is located is obtained, not only web web pages of the same origin (domain + port number) can communicate with each other, but even cross-domain communication can be achieved. Browser support: IE8+, firefox4+, chrome8+ opera10+ 1. First of all, if you want to receive messages from other windows, you must monitor the message event of the window object, as shown in the following code: window.addEventListener(“messag..

2. html5 cross-domain communication postMessage

Introduction: Documents under different domain names do not allow access to each other's documents due to security issues, but sometimes it is necessary. Such operation. Therefore, we can generally use window.name, hash, or jsonp to achieve cross-domain access

3. Ajax cross-domain request solution: use JSONP to obtain JSON data

Introduction: Due to browser limitations, ajax does not allow cross-domain communication. If you try to request data from different domains, a security error will occur if you can control the remote server where the data resides and each request goes to the same domain. , you can avoid these security errors. But what is the use of a web application if it only stays on its own server? If you need to collect data from multiple third-party servers

4. PostMessage implementation in html5 POST cross-domain issues in

Introduction: HTML5 provides the function of receiving and sending information between web documents. Using this function, as long as the instance of the window object where the web page is located is obtained, not only Only web pages with the same origin (domain + port number) can communicate with each other, and even cross-domain communication can be achieved

5. Http cross-domain request with script: JSONP implementation principle and code_javascript skills

Introduction: The src attribute of the script element can set the URL and initiate an HTTP GET request to implement script operations. HTTP can communicate across domains without being restricted by the same-origin policy. Next, I will introduce the implementation of Http cross-domain requests in detail. If you are interested You can refer to it

6. JavaScript uses HTML5’s window.postMessage to achieve cross-domain communication example_javascript skills

Introduction: This article mainly introduces JavaScript to use HTML5’s window.postMessage to achieve cross-domain communication For domain communication examples, friends who need them can refer to

7. Detailed explanation of the basic usage of Communication API in HTML5_html5 tutorial skills

Introduction: This article mainly introduces the basic usage of the Communication API in HTML5. The article involves two important modules for building real-time and cross-domain communication: cross-document message communication and XMLHttpRequest Level 2. Friends in need can refer to Next

8. iframe cross-domain communication encapsulation detailed explanation_jquery

Introduction: Since the front-end javascript has security restrictions on cross-domain access, javascript can only access files under the same domain name as the document containing it Content, next, the editor will introduce to you the encapsulation of iframe cross-domain communication through this article. Friends who need it can refer to

9. Common javascript cross-domain communication methods_javascript skills

Introduction : This article mainly introduces common javascript cross-domain communication methods

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