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RangeError - JavaScript | MDN

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The RangeError object indicates an error when a value is not in the set or range of allowed values.

A RangeError is thrown when trying to pass a value as an argument to a function that does not allow a range that includes the value.

This can be encountered when:

• passing a value that is not one of the allowed string values to String.prototype.normalize(), or
• when attempting to create an array of an illegal length with the Array constructor, or
• when passing bad values to the numeric methods Number.prototype.toExponential(), Number.prototype.toFixed() or Number.prototype.toPrecision().

RangeError is a serializable object, so it can be cloned with structuredClone() or copied between Workers using postMessage().

RangeError is a subclass of Error.

RangeError()

Creates a new RangeError object.

Also inherits instance properties from its parent Error.

These properties are defined on RangeError.prototype and shared by all RangeError instances.

RangeError.prototype.constructor

The constructor function that created the instance object. For RangeError instances, the initial value is the RangeError constructor.

RangeError.prototype.name

Represents the name for the type of error. For RangeError.prototype.name, the initial value is "RangeError".

Inherits instance methods from its parent Error.

function check(n) {
  if (!(n >= -500 && n <= 500)) {
    throw new RangeError("The argument must be between -500 and 500.");
  }
}

try {
  check(2000);
} catch (error) {
  if (error instanceof RangeError) {
    // Handle the error
  }
}

function check(value) {
  if (!["apple", "banana", "carrot"].includes(value)) {
    throw new RangeError(
      'The argument must be an "apple", "banana", or "carrot".',
    );
  }
}

try {
  check("cabbage");
} catch (error) {
  if (error instanceof RangeError) {
    // Handle the error
  }
}

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