Fix for Issue 61081 (#61221)

src/lib/es5.d.ts

@@ -1378,14 +1378,18 @@ interface Array<T> {
     /**
      * Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
      * @param start The zero-based location in the array from which to start removing elements.
-     * @param deleteCount The number of elements to remove.
+     * @param deleteCount The number of elements to remove. Omitting this argument will remove all elements from the start
+     * paramater location to end of the array. If value of this argument is either a negative number, zero, undefined, or a type
+     * that cannot be converted to an integer, the function will evaluate the argument as zero and not remove any elements.
      * @returns An array containing the elements that were deleted.
      */
     splice(start: number, deleteCount?: number): T[];
     /**
      * Removes elements from an array and, if necessary, inserts new elements in their place, returning the deleted elements.
      * @param start The zero-based location in the array from which to start removing elements.
-     * @param deleteCount The number of elements to remove.
+     * @param deleteCount The number of elements to remove. If value of this argument is either a negative number, zero,
+     * undefined, or a type that cannot be converted to an integer, the function will evaluate the argument as zero and
+     * not remove any elements.
      * @param items Elements to insert into the array in place of the deleted elements.
      * @returns An array containing the elements that were deleted.
      */