Object. Keys traverses an object

Object.keys(data).forEach((key) => {
                        if (isOwnProperty(params, key) && data[key]) {
                            this.setData({
                                [`params.${key}`]: data[key],
                            });
                        }
                    });

Object.keys Traversing an object

isOwnProperty Judge params Does it contain key attribute .

export function isOwnProperty(obj = {}, key = "") {
    return Object.prototype.hasOwnProperty.call(obj, key);
}