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A function using async/await can use as many await expressions as it wants, and each will be handled in the same way (though a promise will only be returned to the caller for the first await, while every other await will utilize internal callbacks). A function can also hold a promise object directly and do other processing first (including ...
HTML form: select onselect Fires when a user selects some text in a text field, including input and textarea Yes No change onchange Fires when a control loses the input focus and its value has been modified since gaining focus Yes No submit onsubmit Fires when a form is submitted Yes Yes reset onreset Fires when a form is reset Yes No focus onfocus
Function components are declared with a function (using JavaScript function syntax or an arrow function expression) that accepts a single "props" argument and returns JSX. From React v16.8 onwards, function components can use state with the useState Hook.
In a link-state routing protocol, such as OSPF or IS-IS, a routing loop disappears as soon as the new network topology is flooded to all the routers within the routing area. Assuming a sufficiently reliable network, this happens within a few seconds.
There is no feature specifically intended for this but an admin with the right know-how could prevent non-admins from editing. If it was done without consensus then it would probably quickly be reverted by another admin, and the first one might soon be an ex-admin. See also Wikipedia:Village stocks for some actions with unintended consequences.