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call javascript Code Snippet in 2023

functionadvanced

Last Updated: 31 January 2023

Given a key and a set of arguments, call them when given a context.

  • Use a closure to call key with args for the given context.
const call = (key, ...args) => context => context[key](...args);
Promise.resolve([1, 2, 3]) .then(call('map', x => 2 * x)) .then(console.log); // [ 2, 4, 6 ] const map = call.bind(null, 'map'); Promise.resolve([1, 2, 3]) .then(map(x => 2 * x)) .then(console.log); // [ 2, 4, 6 ]

javascript snippet similar to call For You in February 2023

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