2014年1月15日 · Ajax (Asynchronous Javascript and XML) is a subset of javascript. Ajax is way for the client-side browser to communicate with the server (for example: retrieve data from a database) without having to perform a page refresh. jQuery is a javascript library that standardizes the javascript differences cross-browser. jQuery includes some ajax ...

2014年5月11日 · AJAX ⊂ JavaScript. AJAX is a part of JavaScript that deals with transferring data to and from the server without requiring a full page reload, basically. So you should use AJAX whenever the server needs to do something. This can be when the user starts typing something, to provide on-the-fly autocomplete options.

2016年7月12日 · What is the difference between typical AJAX and Fetch API? Consider this scenario: function ajaxCall(url) { return new Promise(function(resolve, reject) { var req = new XMLHttpRequest(); ...

Ajax is a buzzword meaning "Making an HTTP request from JavaScript without leaving the page". XMLHttpRequest and fetch are APIs, provided by browsers, which allow HTTP requests to be made from JavaScript.

2009年12月4日 · Now that AJAX has matured we don't need to do that any more; we could, conceivably, render a "page" once and just update the changing parts as needed. But what would be the consequences of doing so? Is there a good rule of thumb for doing a full-page reload vs a partial-page reload via AJAX?

2024年11月23日 · an ajax call is asynchronous and it does not reload the page. If a certain action will change a lot of UI elements or needs to poll a lot of data to be rendered, I would go with form submission. On the other hand, if a certain action is used for simple actions, like populating a select box or improving user experience, then I would go for an ...

2017年12月30日 · AJAX stands for Asynchronous JavaScript And XML. it is the use of the XMLHttpRequest to communicate with servers. It can send and receive information in various formats, including JSON, XML, HTML, and text files.

2014年4月14日 · AJAX is a library to facilitate asynchronous communication between a website viewer and the site's server. For example, when someone signs up to a website AJAX is often used to get validation of a username, email address or phone number immediately after it's entered on the form rather than wait for the entire form's data to be submitted. –

2012年9月28日 · AJAX. The best example of AJAX is Google's search bar - suggestions appear as you type, but the current webpage is not redirected or refreshed! (10 years ago this was amazing, not so much anymore). This is AJAX in action. AJAX uses what's called a "request" and "response" model: you ask a question, and you receive an answer from the 'server'.

2011年1月11日 · jQuery.ajax is a general Ajax requester in jQuery that can do any type and content requests. jQuery.get and jQuery.post on the other hand can only issue GET and POST requests. If you don't know what these are, you should check HTTP protocol and learn a little.