The JavaScript exception "more arguments needed" occurs when there is an error with how a function is called. More arguments need to be provided.
MessageTypeError: Object prototype may only be an Object or null: undefined (V8-based) TypeError: Object.create requires at least 1 argument, but only 0 were passed (Firefox) TypeError: Object.setPrototypeOf requires at least 2 arguments, but only 0 were passed (Firefox) TypeError: Object.defineProperties requires at least 1 argument, but only 0 were passed (Firefox) TypeError: Object prototype may only be an Object or null. (Safari)Error type What went wrong?
There is an error with how a function is called. More arguments need to be provided.
Examples Required arguments not providedThe Object.create()
method requires at least one argument and the Object.setPrototypeOf()
method requires at least two arguments:
const obj = Object.create();
// TypeError: Object.create requires at least 1 argument, but only 0 were passed
const obj2 = Object.setPrototypeOf({});
// TypeError: Object.setPrototypeOf requires at least 2 arguments, but only 1 were passed
You can fix this by setting null
as the prototype, for example:
const obj = Object.create(null);
const obj2 = Object.setPrototypeOf({}, null);
See also
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