Update 0011. Get.md

Author: cheatsheet1999

JS-Core/0011. Get.md

@@ -3,20 +3,25 @@
 <img width="710" alt="Screen Shot 2023-05-09 at 11 57 21 PM" src="https://github.com/cheatsheet1999/FrontEndCollection/assets/37787994/96e7e5bf-2f2c-4783-a089-2491b2d0f9bb">
 
 ```js
-function get(obj, path, defaultValue) {
- if (typeof path === 'string') {
- path = path.split('.');
- }
-
- let result = obj;
- for (let key of path) {
- if (typeof result !== 'object' || result === null || !result.hasOwnProperty(key)) {
- return defaultValue;
- }
- result = result[key];
- }
- return result;
-}
+/**
+ * @param {Object} objectParam
+ * @param {string|Array<string>} pathParam
+ * @param {*} [defaultValue]
+ * @return {*}
+ */
+export default function get(objectParam, pathParam, defaultValue) {
+ if (typeof pathParam === 'string') {
+ pathParam = pathParam.split('.');
+ }
+ 
+ for (let key of pathParam) {
+ if (typeof objectParam !== 'object' || objectParam === null || !objectParam.hasOwnProperty(key)) {
+ return defaultValue;
+ }
+ objectParam = objectParam[key];
+ }
+ return objectParam;
+ }
 ```
 
 ## Test Cases