JavaScript JavaScript binding - arrow functions and bind [duplicate] javascript binding arrow functions,javascript arrow binding

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Answer:1

But does it also prevent bind() from working?

Partially, because bind returns a new function that calls the original function with a specific this — but arrow functions don't use the this they're called with, they completely ignore it. Instead, they close over the this where they're defined.

bind on an arrow function can't change the arrow's concept of this. All it can do is its secondary feature, pre-supplying arguments:

"use strict";
function run() {
  const f = (a, b, c) => {
    console.log("this", this);
    console.log("a", a);
    console.log("b", b);
    console.log("c", c);
  };

  const fbound = f.bind({}, 1, 2, 3);
  f();
  fbound();
}
run();
.as-console-wrapper {
  max-height: 100% !important;£
}
Answer:2

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