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The ajax request methods include XMLHttpRequest object, jQuery's ajax method, fetch method, axios library, Vue.js's axios method, Angular's HttpClient module, etc. Detailed introduction: 1. XMLHttpRequest object, which can send HTTP requests and receive responses; 2. jQuery's ajax method, by passing parameters, can send different types of requests, such as GET, POST, etc.
# Operating system for this tutorial: Windows 10 system, Dell G3 computer.
Ajax request methods include the following:
XMLHttpRequest object: The XMLHttpRequest object is a function provided by native JavaScript. Ajax request method. By creating an XMLHttpRequest object, you can send HTTP requests and receive responses. When using this method, you need to manually write the request header, request body and other information.
jQuery’s ajax method: jQuery is a popular JavaScript library that provides methods to simplify ajax requests. Among them, the $.ajax() method is the most widely used one. By passing parameters, you can send different types of requests, such as GET, POST, etc., and you can also set request headers, process responses, etc.
fetch method: fetch is a new network request method, an asynchronous request method based on Promise. It provides an easier and more powerful way to send ajax requests. When using the fetch method, you need to pass in the requested URL and various parameters, and then use Promise to process the response.
axios library: axios is a Promise-based HTTP client library that can send asynchronous requests and handle responses. It provides a simplified API that can send different types of requests such as GET and POST, and can set request headers, process responses, etc.
axios method of Vue.js: Vue.js is a popular JavaScript framework with a built-in axios library that can easily send ajax requests. When using the axios method, you can send different types of requests by passing parameters, and you can set request headers, process responses, etc.
Angular's HttpClient module: Angular is a popular JavaScript framework with a built-in HttpClient module that can send ajax requests. When using the HttpClient module, you can send different types of requests by passing parameters, and you can set request headers, process responses, etc.
The above are several commonly used ajax request methods. Each method has its advantages and disadvantages. You can choose the appropriate method to send an ajax request according to actual needs.
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