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The webpage can be modified by JavaScript to dynamically display (and allow the user to interact with) the new information. The built-in XMLHttpRequest object is used to execute Ajax on webpages, allowing websites to load content onto the screen without refreshing the page. Ajax is not a new technology, nor is it a new language.
XMLHttpRequest (XHR) is an API in the form of a JavaScript object whose methods transmit HTTP requests from a web browser to a web server. [1] The methods allow a browser-based application to send requests to the server after page loading is complete, and receive information back. [ 2 ]
Many libraries provide promise objects that can also be used with await, as long as they match the specification for native JavaScript promises. However, promises from the jQuery library were not Promises/A+ compatible until jQuery 3.0. [22] Here's an example (modified from this [23] article):
In computer science, futures, promises, delays, and deferreds are constructs used for synchronizing program execution in some concurrent programming languages.Each is an object that acts as a proxy for a result that is initially unknown, usually because the computation of its value is not yet complete.
Aliaksei Protas scored his second goal of the night 2:23 into overtime to lift the Washington Capitals to a 2-1 win over the Columbus Blue Jackets on Thursday night. Protas had scored 31 seconds ...
Wealthy travelers are increasingly booking luxury train vacations. High-end suites often include amenities like bottomless Champagne, butlers, and private bathrooms.. A night on Belmond's iconic ...
It is also possible to add "async" keyword to getFeature function in order to use promises such as fetch(). We can utilise properties in each object of geojson to create customised jsonqueries and get, for example, city specific information and display them using layer.bindTooltip, layer.bindPopup etc.
Consumers could be charged while doing something as simple as attempting the wake the game from sleep mode, for example, or by pressing a nearby button when trying to preview an item, the agency said.