asynchronous function using function constructor

Emmanuel Mahuni answered on March 18, 2021 Popularity 7/10 Helpfulness 2/10

answer asynchronous function using function constructor

asynchronous function using function constructor

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const AsyncFunction = Object.getPrototypeOf(async function(){}).constructor;
// assume someAsyncCall is a call to another async func we await for that returns 1 (just make this simpler)
const func = new AsyncFunction('arg1', 'arg2', 'return arg1 * arg2 * await someAsyncCall();');
// now use the function, assuming we are in an async function for the following to work
await func(2,2); // => 4

// for normal non-async functions it's simpler just use the Function constructor
const func = new Function('arg1', 'arg2', 'return arg1 * arg2;');
// now use the function
func(2,2); // => 4

Popularity 7/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: function-constructor javascript using

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Contributed on Mar 18 2021

Emmanuel Mahuni

0 Answers Avg Quality 2/10

asynchronous function using function constructor

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