ut2/es/isArguments.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

import { argumentsTag, objectProtoHasOwnProperty, objectProtoPropertyIsEnumerable } from './internals/native.js';
import { supportedArgumentsType } from './internals/helpers.js';
import isObjectLike from './isObjectLike.js';
import getTag from './internals/getTag.js';

function isArguments(value) {
    if (supportedArgumentsType) {
        return getTag(value) === argumentsTag;
    }
    return isObjectLike(value) && objectProtoHasOwnProperty.call(value, 'callee') && !objectProtoPropertyIsEnumerable.call(value, 'callee');
}

export { isArguments as default };