Method keyInObject

src/danfojs-base/shared/utils.ts:145–147

* Checks if object has the specified key * @param obj The object to check. * @param key The key to find.

(obj: object, key: number | string)

     * @param key The key to find.
     */
    keyInObject(obj: object, key: number | string): boolean {
        return Object.prototype.hasOwnProperty.call(obj, key)
    }

    /**
     * Transposes an array of array