4-Array_Merge-1

/*
        Function To Merge two Arrays Using For Loops
        @param arr1, arr2
      */

      const mergeArr = (arr1, arr2) => {
        const arr3 = [];
        debugger;
        if (arr1.length > 0 && arr2.length > 0) {
          for (let i = 0; i < arr1.length; i++) {
            arr3[i] = arr1[i];
          }
          for (let i = 0; i < arr2.length; i++) {
            arr3[arr1.length + i] = arr2[i];
          }
          console.log(arr3);
          return arr3;
        } else {
          alert("Both Arrays can not be empty");
        }
      };
      const arr1 = [1, 2, 3, 4, 5];
      const arr2 = [6, 7, 8, 9, 10];
      mergeArr(arr1, arr2);
      // With help shallow copy we can merge multiple arrays
      const arr = [...arr1, ...arr2];
      console.log(arr);