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Ajax It is a set of methods provided by the browser, which can update the data without refreshing the page (i.e. locally update the data in the page in the process of browsing the web page), and improve the user's experience of browsing the website application. Note: ajax technology needs to run in the website environment and take effect. It s ...

Deep understanding of cross domain issues In this article, you will learn: What is homology, what is cross domain, what is source, and how to cross domain 1. Software description Demo using web Services: django3.2 python3.9 vue 2 2. Problem description What is cross domain CORSWhat is homology strategyHow to implement cross domain 3. P ...

springmvc 1. Response data and results view 1.1 return value classification 1.1.1 return string The return string of the Controller method can specify the name of the logical view and the address of the physical view according to the view parser. <a href="user/testString" >testString</a> /** * Return String * @param model ...

0 HBuilderX modify comments Path: root directory \ plugins \ theme default \ themes \ default File name: default XML file Modify color: 1. Getting started with Vue 1.1 what is Vue Vue (pronunciation / vju) ː/， Similar to view) is a progressive framework for building user interfaces. Unlike other large frameworks, Vue i ...

What is a form In web pages, forms are mainly responsible for data collection. The three components of a form The form for collecting data in the web page consists of three parts: form label, form field and form button. Form label The HTML form is a "container" used to delimit the specified area on the page as the form area Fo ...

Spring MVC rest style REST (Representational State Transfer) is the most popular software architecture style at present REST refers to a set of architectural constraints and principles. Applications or designs that meet these constraints and principles are RESTful REST features: Resources: all things on the Internet can be abstracted as ...

Homology strategy Browsers have homology policy restrictions. The same origin policy is a kind of convention. It is the core and basic security function of the browser. If the same origin policy is missing, the normal functions of the browser may be affected. The same origin policy prevents JavaScript scripts in one domain from in ...

1. Homology Strategy & cross domain 1. Homology: two URL addresses have the same protocol, host name and port number. The Same origin policy is a security function provided by the browser. The browser's homology policy stipulates that resource interaction between non homologous URL s is not allowed. 2. Cross domain: Homology mean ...

Service request mode Native Ajax The native Ajax, XMLHtpRequest (XHR), uses the XMLHtpRequest object to asynchronously request data, so that the front end can asynchronously exchange data with the server. The data on a URL can be easily obtained through Ajax. XMLHtpRequest was originally designed by Microsoft, and then supported by Mila, Appl ...

JavaScript details - Lao sun Course objectives: JavaScript introductionCombination of HTML and JavaScriptUse of JavaScriptDOM operationBOM operation 1. Introduction to JavaScript Although java is used as the prefix, the relationship between java and javascript is like the relationship between wife and wife cake. There is no relationship of ...