update compare-arrays to validate arrays and support nested arrays

public/consolidated/javascript.json

@@ -12,7 +12,7 @@
  "equal"
  ],
  "contributors": [],
- "code": "const compareArrays = (array1, array2) => {\n if (array1.length !== array2.length) return false;\n\n for (let i = 0; i < array1.length; i++) {\n if (array1[i] !== array2[i]) {\n return false;\n }\n }\n\n return true;\n}\n\n// Usage:\narray1 = [1, 2, 3, 4, 5];\narray2 = [5, 4, 3, 2, 1];\ncompareArrays(array1, array2); // Returns: false\n"
+ "code": "const compareArrays = (array1, array2) => {\n if (!Array.isArray(array1) || !Array.isArray(array2)) return false;\n if (array1.length !== array2.length) return false;\n\n const traverse = (arr1, arr2) => {\n for (let i = 0; i < arr1.length; i++) {\n  if (Array.isArray(arr1[i]) && Array.isArray(arr2[i])) {\n if (!traverse(arr1[i], arr2[i])) return false;\n } else if (arr1[i] !== arr2[i]) {\n  return false;\n  }\n  }\n\n  return true;\n }\n\n return traverse(array1, array2);\n}\n\n// Usage:\nconst number = 123;\nconst array1 = [1, 2, 3, 4, 5];\nconst array2 = [1, 2, 3, 4, 5];\nconst array3 = [[1, 2], [3, 4]];\nconst array4 = [[1, 2], [3, 4]];\n\ncompareArrays(array1, array2); // Returns: true\ncompareArrays(array1, number); // Returns: false\ncompareArrays(array1, array4); // Returns: false\ncompareArrays(array3, array4); // Returns: true\n"
  },
  {
  "title": "Partition Array",

snippets/javascript/array-manipulation/compare-arrays.md

@@ -7,19 +7,33 @@ tags: array,compare,equal
 
 ```js
 const compareArrays = (array1, array2) => {
+ if (!Array.isArray(array1) || !Array.isArray(array2)) return false;
  if (array1.length !== array2.length) return false;
 
- for (let i = 0; i < array1.length; i++) {
- if (array1[i] !== array2[i]) {
- return false;
+ const traverse = (arr1, arr2) => {
+ for (let i = 0; i < arr1.length; i++) {
+ if (Array.isArray(arr1[i]) && Array.isArray(arr2[i])) {
+ if (!traverse(arr1[i], arr2[i])) return false;
+ } else if (arr1[i] !== arr2[i]) {
+ return false;
+ }
  }
+
+ return true;
  }
 
- return true;
+ return traverse(array1, array2);
 }
 
 // Usage:
-array1 = [1, 2, 3, 4, 5];
-array2 = [5, 4, 3, 2, 1];
-compareArrays(array1, array2); // Returns: false
+const number = 123;
+const array1 = [1, 2, 3, 4, 5];
+const array2 = [1, 2, 3, 4, 5];
+const array3 = [[1, 2], [3, 4]];
+const array4 = [[1, 2], [3, 4]];
+
+compareArrays(array1, array2); // Returns: true
+compareArrays(array1, number); // Returns: false
+compareArrays(array1, array4); // Returns: false
+compareArrays(array3, array4); // Returns: true
 ```