microsoft/playwright · error · Error

Too many arguments. If you need to pass more than 1 argument

Error message

Too many arguments. If you need to pass more than 1 argument to the function wrap them in an object.

What it means

Error "Too many arguments. If you need to pass more than 1 argument to the function wrap them in an object." thrown in microsoft/playwright.

Source

Thrown at packages/playwright-core/src/client/jsHandle.ts:137

    const serialized = serializeArgument(arg, callback => {
      if (!page)
        throw new Error('Passing a function is not supported as an argument here');
      const name = kFunctionBindingPrefix + createGuid();
      exposePromises.push(page._exposeEvaluateCallback(name, callback));
      return name;
    });
    await Promise.all(exposePromises);
    return serialized;
  }, { internal: true });
}

export function parseResult(value: channels.SerializedValue): any {
  return parseSerializedValue(value, undefined);
}

export function assertMaxArguments(count: number, max: number): asserts count {
  if (count > max)
    throw new Error('Too many arguments. If you need to pass more than 1 argument to the function wrap them in an object.');
}

export function assertEvaluateOptions(options: any) {
  if (options !== undefined && (typeof options !== 'object' || options === null || Array.isArray(options)))
    throw new Error('Too many arguments. If you need to pass more than 1 argument to the function wrap them in an object.');
}

View on GitHub (pinned to c8fc3bf8d3)

When it happens

Trigger: Thrown at packages/playwright-core/src/client/jsHandle.ts:137 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of microsoft/playwright@c8fc3bf8d3 (2026-08-12). Data as JSON: /api/errors/2c146e3e614ed392. Report an issue: GitHub.